Glossary

Working reference for climate, nature, NbS, and EbA terminology

Updated entries — 26 July 2026 (v2.1: five-part structure) · 63 entries

A living reference, updated monthly. Comments and suggestions welcome — join the discussion.

How to Use This Glossary

This Glossary is the working reference for the climate, nature, NbS, and EbA terminology that the NbS Praxis brand uses across the newsletter, the toolkits, the website, and the advisory work. It serves three purposes. First, it provides a reference for readers encountering terminology they may not know — making the brand's content accessible to a wider audience than the practitioner core. Second, it establishes the brand's authority on the terminology — a serious practitioner can write a definitive glossary of their field, and the existence of the glossary signals that the practitioner can. Third, it surfaces the brand on search engine queries for the terms themselves, which is a brand-discovery channel that compounds over time.

Each entry follows the same five-part structure: a crisp definition of the term; examples that illustrate what the term refers to and what it does not refer to; a rationale section explaining why the term matters in the brand's practice; references to authoritative institutional sources; and a related terms section pointing to two or three other entries that deepen understanding of the entry. The format is consistent across all entries so that the glossary reads as a coherent reference work rather than as a collection of disparate definitions, and the related-terms field turns the glossary from a list of entries into a network — pathways through the document that mirror the analytical connections the brand makes in its editorial work.

The entries below cover the foundational terminology used across the brand's development to date and the terms surfaced through the production pipeline since the initial May 2026 entries. The glossary grows over time as new terms enter the brand vocabulary — each week, terms that have come up in the production pipeline, the think pieces, or the toolkit content are added through the operational pattern established (tags during conversation, weekly consolidation pass, refinement, commit to the project workspace).

A note on sources. The references below name institutional sources by their canonical name and provide URLs where the URL is confirmed stable. Where a URL is uncertain or unstable, the source is named so that you can find it through the institution's website. Practitioner verification of sources before publication is recommended; the institutional documents referenced here update periodically and authoritative versions should be sourced directly from the issuing institution when the glossary is published to the public website.

Index

A–Z · 63 terms

Part One

Core Framing Terms

Terms that define the territory the NbS Praxis brand operates in. These are the foundational concepts referenced throughout every piece of brand content.

CLIMATE-AND-NATURE NEXUS

Definition. The integration of climate response (mitigation and adaptation) with biodiversity conservation and ecosystem stewardship, treated as a single domain rather than as adjacent but separate fields. The nexus framing recognizes that climate finance and nature finance are increasingly the same flow of capital, and that climate adaptation and ecosystem stewardship are increasingly the same implementation work.

Examples.

(i) What it is

integrated programming that addresses climate and biodiversity objectives through a single intervention
finance instruments that count toward both climate and nature targets
institutional architecture that operates across both domains (TNFD, GBF Fund climate co-benefits, GCF NbS programming)

(ii) What it is not

climate finance with biodiversity as an after-the-fact co-benefit
nature finance that ignores climate dimensions
sustainability framings that treat all environmental outcomes as equal without analytical structure

Rationale. The nexus is the central analytical lens of the NbS Praxis brand. It is also the territory where senior practitioner judgment is most scarce in 2026, because most practitioners operate primarily on the climate side or primarily on the nature side. Practitioners who recognize the integration ahead of their peers will be the ones who matter as the institutional architecture continues to converge over the next decade.

References.

NATURE-BASED SOLUTIONS (NbS)

Definition. Actions to protect, sustainably manage, and restore natural or modified ecosystems that address societal challenges effectively and adaptively, simultaneously providing human well-being and biodiversity benefits. NbS is the broader of the two operational framings (the other being EbA), encompassing both mitigation and adaptation dimensions of climate response.

Examples.

(i) What it is

mangrove restoration for coastal protection and carbon sequestration
urban forest expansion for heat mitigation and biodiversity habitat
wetland restoration for flood regulation and ecosystem function
peatland rehabilitation for carbon storage and water security
agroforestry for soil and food-system resilience

(ii) What it is not

pure carbon offset plantations that displace local ecosystems
engineered grey infrastructure with token green elements
species reintroductions without ecosystem context
greenwashing initiatives that claim NbS framing without meeting the IUCN Global Standard criteria

Rationale. NbS is now the standard institutional framing for ecosystem-based interventions delivering climate and biodiversity outcomes simultaneously. The IUCN Global Standard provides the most authoritative definition and the eight criteria practitioners use to distinguish substantive NbS from greenwashing. For NbS Praxis, NbS is the operational expression of the climate-and-nature nexus — the place where the integrated work is done.

References.

ECOSYSTEM-BASED ADAPTATION (EbA)

Definition. The use of biodiversity and ecosystem services as part of an overall adaptation strategy to help people adapt to the adverse effects of climate change. EbA is the adaptation-specific operational framing, more narrowly scoped than NbS, and is the term used in adaptation-focused climate finance instruments and institutional architecture.

Examples.

(i) What it is

mangrove and seagrass restoration as coastal climate adaptation
watershed restoration for water security under changing precipitation patterns
agroforestry for adaptation to heat and drought stress
managed wetland systems for flood resilience under climate change

(ii) What it is not

pure carbon sequestration projects (these are mitigation, not EbA)
biodiversity conservation without explicit climate adaptation framing
engineered adaptation infrastructure (sea walls, hard barriers) with ecosystem components added for aesthetics

Rationale. EbA is the term used in the UNFCCC adaptation track, the Adaptation Fund's mandate, the Green Climate Fund's adaptation programming, National Adaptation Plans (NAPs), and most bilateral adaptation programs. For NbS Praxis, EbA is the adaptation-specific operational expression of the climate-and-nature nexus, paired with NbS to cover the full mitigation-and-adaptation scope.

References.

ECOSYSTEM-BASED APPROACHES

Definition. The integrated management of land, water, and living resources to promote conservation and sustainable use in an equitable way — the broad umbrella, rooted in the Convention on Biological Diversity’s ecosystem approach, from which Ecosystem-based Adaptation (EbA) is the climate-adaptation-specific subset. An ecosystem-based approach is not necessarily tied to climate change: it can serve biodiversity conservation, sustainable resource management, or several development objectives at once, with adaptation only one possible application. The relationship is one of nested scope — every EbA measure is an ecosystem-based approach, but not every ecosystem-based approach is EbA.

Examples.

(i) What it is

watershed and landscape management undertaken for conservation and sustainable use across multiple objectives
mangrove restoration whose primary goal is biodiversity conservation or fisheries productivity
protected-area and living-resource management following the CBD ecosystem approach

(ii) What it is not

a measure scoped solely to helping people adapt to climate impacts, which is the narrower Ecosystem-based Adaptation (EbA)
a purely engineered or grey-infrastructure solution with no ecosystem management at its core
a single-objective intervention detached from the integrated management of land, water, and living resources

Rationale. The distinction governs how a project is framed and, therefore, how it is funded. Ecosystem-based Adaptation is the term that reaches adaptation-track climate finance — the Adaptation Fund, the Green Climate Fund’s adaptation programming, and the National Adaptation Plan process — because it names an explicit adaptation objective. An ecosystem-based approach is broader and not inherently climate-specific, so the same physical intervention can be either, depending on its stated aim: mangrove restoration is EbA when the goal is reducing storm-surge risk for coastal communities, but an ecosystem-based approach when the goal is biodiversity conservation or fisheries management. For NbS Praxis, holding the two terms apart prevents a common framing error — claiming adaptation finance for work whose primary objective is not adaptation.

References.

NATURAL AND NATURE-BASED FEATURES (NNBF)

Definition. An engineering and planning term for the spectrum of flood- and coastal-risk-management measures that runs from wholly natural, unaltered ecosystems through nature-based features engineered to mimic natural forms and processes, to hybrid gray-green structures that combine engineered and ecological elements. NNBF is defined by construction method along that natural-to-engineered spectrum, which distinguishes it from Ecosystem-based Adaptation (EbA), a term defined by adaptation purpose rather than by how a feature is built.

Examples.

(i) What it is

a restored dune system incorporating engineered sediment traps
a living shoreline combining planted marsh grass with a submerged sill
the permeable brushwood-and-bamboo dams used at Demak, on the coast of Central Java, Indonesia, which function as a temporary engineered scaffold enabling natural mangrove recolonization

(ii) What it is not

a synonym for Ecosystem-based Adaptation (EbA is the adaptation-purposed subset of nature-based solutions under CBD guidance; NNBF is a broader, purpose-neutral construction-method spectrum that includes features with no adaptation intent)
a synonym for green infrastructure generally (NNBF is specific to flood and coastal risk management, not the wider urban green-infrastructure vocabulary)
a claim that hybrid construction always outperforms full engineering or full restoration (which point on the gradient a site can bear is set by its space, budget, wave energy, and risk horizon)

Rationale. NNBF supplies the coastal-and-flood-risk field with a shared engineering vocabulary for the hybrid, gray-green middle of the gradient that the brand's Coastal Protection long-form (draft, July 2026) treats as frequently the enabling scaffold for a fully green endpoint rather than its alternative. Distinguishing NNBF from EbA matters in practice because the two terms are often used loosely as synonyms: EbA is the purpose-defined subset used in the UNFCCC adaptation architecture, while NNBF is the construction-method spectrum used in engineering guidance, and it is the engineering guidance that will eventually set the technical standard a coastal-defense budget line must satisfy before finance can flow to it as a nature-based asset.

References.

BLUE CARBON

Definition. The carbon captured and stored by coastal and marine ecosystems — principally mangroves, seagrasses, salt marshes, and tidal wetlands — in both biomass and (predominantly) sediment. Blue carbon ecosystems sequester carbon at rates that can substantially exceed terrestrial forests on a per-area basis, with the bulk of long-term storage residing in the soil rather than the standing vegetation, which is why permanence and protection from drainage or disturbance are the defining considerations rather than tree biomass.

Examples.

(i) What it is

mangrove restoration projects credited for sediment-stored carbon over multi-decade horizons
seagrass meadow protection programs structured around blue-carbon credits
salt marsh conservation linked to coastal-defense and carbon-sink co-objectives

(ii) What it is not

open-ocean carbon storage (which is a distinct domain governed by different science and policy)
offshore aquaculture biomass (which does not constitute long-term sediment carbon)
coral reef carbon (corals are net calcifiers and not generally counted in blue-carbon accounting)

Rationale. Blue carbon has become the primary asset class around which integrated climate-and-nature financial instruments are converging, particularly in ASEAN where mangroves anchor pipelines such as the Mangrove Breakthrough and the ASEAN-UK Green Transition Fund. The credibility of blue-carbon credits hinges on permanence — soil carbon stored over centuries can be released within months by drainage or conversion — which makes blue carbon simultaneously the leading edge of integrated finance and the leading edge of the verification problem the publication addresses.

References.

PERMANENCE (in carbon accounting and NbS finance)

Definition. The durability over time of the climate benefit claimed by a project — specifically, how long sequestered carbon remains stored, and how long an avoided emission remains avoided, given the risks of reversal from biophysical, social, or economic causes. Permanence is the binding constraint on the credibility of nature-based carbon credits because nature-based carbon stores are recoverable rather than fixed: a peatland can be re-drained, a mangrove cleared, a forest burned.

Examples.

(i) What it is

a century-scale durability requirement attached to a blue-carbon project
an insurance or buffer-pool arrangement designed to absorb reversal events
protection-over-restoration logic that prioritizes keeping existing carbon stores intact rather than rebuilding lost ones

(ii) What it is not

a binary property (permanence is risk-graded, not absolute)
a problem solved by monitoring alone (monitoring detects reversal but does not prevent it)
a barrier specific to nature-based credits (engineered carbon-removal credits face their own permanence questions, though the failure modes differ)

Rationale. Permanence is the single concept that most cleanly separates a bankable NbS project from a stranded one. The publication's editorial position is that permanence, not yield, distinguishes bankable from speculative — and that the highest-leverage NbS work increasingly sits in protection (where permanence is highest) rather than restoration (where permanence must be proven from scratch). The 85% permanence-risk figure for Southeast Asian mangroves (No. 2 endnote 9) is the defining empirical anchor for this framing in the brand voice.

References.

Communications Earth and Environment (2025) on permanence risks affecting Southeast Asian mangroves
University of Utah net-cooling roadmap for nature-based climate solutions (additionality, leakage, century-scale durability)
IPCC AR6 WGIII Chapter 7 on land-sector mitigation
Verra and Gold Standard methodology updates on buffer pools

CODIFICATION LAYER

Definition. The institutional and regulatory arena in which the rules governing climate-and-nature finance are written — including taxonomies, definitions of what qualifies as an integrated NbS project, eligibility criteria for finance instruments, Article 6 cooperation frameworks, and the metrics and standards through which projects are scored. The codification layer is analytically distinct from the project layer (where individual interventions are designed and financed) and from the capital layer (where instruments and flows are mobilized).

Examples.

(i) What it is

the EU LIFE 2026 calls that define what counts as a multi-benefit project for European funding
the Article 6 cooperation rules being developed at UNFCCC for cross-border carbon transfers
the Paris NbS International Congress standards-setting around evidence and monitoring
the ASEAN Taxonomy's treatment of ecosystem protection

(ii) What it is not

a single body or process (codification happens across many overlapping forums and frameworks)
a one-time exercise (rules iterate as evidence and politics evolve)
a substitute for project preparation (codification sets the eligibility envelope; project preparation determines whether a specific intervention fits inside it)

Rationale. The codification layer is the central analytical concept of the forthcoming long-form on governance, and the framing emerged across the brand voice during the buildup to the publication launch. The strategic claim is that during a phase mismatch — where institutional language consolidates faster than capital moves — the highest-leverage practitioner position is inside the codification layer rather than chasing slow-moving pipelines. Practitioners who participate in rule-writing now define the architecture that the next decade's capital must move through.

References.

Forthcoming NbS Praxis monthly long-form, “The Codification Lead” (August 2026); link to follow on publication
EU LIFE Programme 2026 work programme
UNFCCC Article 6 negotiation documents
IUCN Global Standard for Nature-based Solutions (2020 and updates)

INTEGRATED PRIMARY OUTCOMES

Definition. The analytical framing that distinguishes the principal climate-and-biodiversity outcomes a single intervention is designed to deliver (climate mitigation, climate adaptation, biodiversity conservation) from the additional outcomes (socio-economic and environmental co-benefits) that the same intervention generates. The framing is analytically essential because the institutional finance architecture is structured around primary outcomes; co-benefits strengthen the case for finance but do not by themselves qualify a project for finance.

Examples.

(i) What it is

a mangrove restoration project framed as delivering climate adaptation (coastal protection), climate mitigation (carbon sequestration), and biodiversity conservation as primary outcomes, with livelihoods, fisheries productivity, and water security as substantial co-benefits

(ii) What it is not

treating every outcome of an intervention as equal (a generic sustainability framing that provides no analytical structure for project preparation)
claiming co-benefits as primary outcomes to inflate the apparent value of an intervention

Rationale. The distinction between primary outcomes and co-benefits is what distinguishes serious practitioner thinking about NbS and EbA from generic sustainability framing. Practitioners who maintain this distinction can navigate the institutional finance architecture (where projects are scored against primary outcomes against specific instruments); practitioners who collapse the distinction cannot.

References.

CLIMATE OVERSHOOT

Definition. The condition in which global mean surface temperature temporarily exceeds a defined warming limit — most often the 1.5°C threshold of the Paris Agreement — before being brought back down later in the century through deep emissions cuts and large-scale carbon dioxide removal. An overshoot is temporary by definition: the warming peak is passed and then reversed, rather than settling permanently above the limit.

Examples.

(i) What it is

a modeled pathway in which warming peaks around 1.6 to 1.7°C near mid-century and returns to 1.5°C by 2100 on the strength of net-negative emissions
the framing the UN Secretary-General used around World Environment Day 2026 when conceding that a temporary breach of 1.5°C had become almost inevitable

(ii) What it is not

a permanent abandonment of the 1.5°C goal, nor a license to defer mitigation, since every increment and every year of overshoot raises the risk of irreversible impacts such as ice-sheet loss and ecosystem tipping points

Rationale. Overshoot reframes the role of nature-based removals for the brand: in an overshoot world the durability and verifiability of biological carbon storage become load-bearing assumptions for the entire temperature trajectory, not optional co-benefits. It connects directly to the editorial insistence on permanence as the binding constraint, because removals that reverse during the overshoot period do not deliver the temperature reversal the pathway assumes.

References.

IPCC Special Report on Global Warming of 1.5°C (SR1.5, 2018)
IPCC Sixth Assessment Report, Working Group I (2021) and Synthesis Report (2023) on overshoot pathways and carbon dioxide removal
United Nations statements around World Environment Day 2026 (as reported in NbS Praxis Newsletter Issue No. 2, June 2026)

NATURE-POSITIVE

Definition. A societal goal, framed by analogy with net zero for climate, of halting and reversing the loss of nature so that there is more nature in the world by 2030 than in 2020, with full recovery by 2050. The term names both a direction of travel for the global economy and an emerging standard against which corporate and financial commitments are increasingly assessed.

Examples.

(i) What it is

a corporate or national commitment expressed against a measurable 2020 baseline of ecosystem extent and integrity
the high-level ambition that the Kunming-Montreal Global Biodiversity Framework operationalizes through its 2030 targets and 2050 goals
the organizing concept behind the Nature Positive Initiative's work to standardize metrics

(ii) What it is not

a synonym for sustainable or green, and not a claim that can be made credibly without a baseline, a measurement method, and attention to the same additionality and permanence tests that discipline carbon claims

Rationale. Nature-positive is becoming the headline vocabulary of nature finance, and the brand's editorial position is that the term is only as good as the measurement behind it — which makes it a natural companion to the measurement-failure framing. Naming it here lets the brand use the term while signaling the provenance discipline that separates a decision-grade nature-positive claim from a marketing one.

References.

NATURAL CAPITAL ACCOUNTING (NCA)

Definition. Natural capital accounting is the practice of measuring the stocks of natural assets — ecosystems and the species, water, soils, and carbon they hold — and the flows of services those assets provide to the economy, and recording them in a structured set of accounts that can be read alongside conventional economic statistics. The internationally agreed standard is the United Nations System of Environmental-Economic Accounting—Ecosystem Accounting (SEEA EA), which organizes data on the extent and condition of ecosystems and on the ecosystem services they supply, and links that information to measures of economic and human activity.

Examples.

(i) What it is

a national set of ecosystem extent and condition accounts compiled by a statistical office to SEEA EA rules
a corporate or portfolio assessment of dependencies and impacts on nature that draws on the same stock-and-flow logic
the natural-capital accounts that make an ecosystem legible to a treasury or an investor as an asset with a measurable condition rather than an undifferentiated externality

(ii) What it is not

a single market price for nature, a carbon-credit methodology, or a disclosure framework — natural capital accounting supplies the underlying measurement layer that disclosure regimes such as the Taskforce on Nature-related Financial Disclosures (TNFD) and labeled finance instruments then draw upon

Rationale. Natural capital accounting is the base-layer rail that the brand’s reporting has repeatedly identified as the precondition for nature finance: an ecosystem cannot be underwritten, insured, or priced as a resilience asset until its stock and condition are measured in a way a balance sheet can read. The concept matters in practice because the credibility of every downstream claim — contribution, offset, nature-positive, or resilience — ultimately rests on whether the accounts beneath it are sound, which is why measurement failure recurs as the field’s central risk.

References.

IPSAS 51 (TANGIBLE NATURAL RESOURCES HELD FOR CONSERVATION)

Definition. A public-sector accounting standard, issued by the International Public Sector Accounting Standards Board on 22 January 2026 and effective for reporting periods beginning on or after 1 January 2028 (with earlier application permitted), that sets recognition, measurement, and disclosure requirements for tangible natural resources a government or public entity holds for conservation purposes. IPSAS 51 is a financial-reporting standard rather than a statistical framework: it determines when and how a conserved natural resource enters a government's own financial statements as a recognized asset, a step distinct from, and downstream of, the statistical accounts that natural capital accounting produces.

Examples.

(i) What it is

the standard a national or subnational government applies to decide whether, and at what value, a protected mangrove forest, a marine reserve, or a conserved wetland appears as a tangible asset on its balance sheet
a rule that narrows, but does not close, the long-standing gap between recognizing nature's value in principle and recording it on a government's own books
a standard confined to natural resources held specifically for conservation, not a general revaluation of all public natural assets

(ii) What it is not

a market price or a tradable claim on the resource
a substitute for the System of Environmental-Economic Accounting–Ecosystem Accounting (SEEA EA), which supplies the underlying statistical measurement of ecosystem extent, condition, and services that a government's financial statements can then draw upon
a mechanism that by itself creates a payer or a budget line for stewardship, since recognition on a balance sheet does not by itself appropriate funds

Rationale. IPSAS 51 matters to NbS Praxis because it closes one half of the “booking nature” problem the practice has tracked since natural capital accounting entered the Glossary: a government can now, in principle, carry a conserved coastline or protected watershed as a recognized asset in its own financial statements, which is a precondition for the resource to be planned, appraised, and managed with the same fiscal discipline as built infrastructure. It does not by itself create the payer, budget appropriation, or legal mechanism that turns a recognized asset into funded stewardship, which is why the Coastal Protection long-form treats it as a narrowing of the reporting gap rather than a resolution of the financing gap.

References.

KUNMING-MONTREAL GLOBAL BIODIVERSITY FRAMEWORK (KMGBF)

Definition. The global biodiversity agreement adopted by the parties to the Convention on Biological Diversity at the fifteenth Conference of the Parties in Montreal, Canada, in December 2022, setting four long-term goals to 2050 and twenty-three action targets to 2030 to halt and reverse the loss of nature. Its best-known component, Target 3, commits governments to conserve at least 30% of terrestrial, inland-water, coastal, and marine areas by 2030 — the target widely known as 30x30 — while Target 15 asks large businesses and financial institutions to assess and disclose their biodiversity-related risks, dependencies, and impacts, and Target 19 addresses mobilizing at least USD 200 billion per year for biodiversity from all sources.

Examples.

(i) What it is

the policy backbone against which national biodiversity commitments, corporate nature disclosure, and biodiversity-finance instruments are now benchmarked, and the source of both the 30x30 conservation target and the treaty mandate that connects business disclosure to a global goal

(ii) What it is not

a binding treaty with enforcement machinery — the framework is agreed under the Convention but delivered through national implementation, principally national biodiversity strategies and action plans, rather than through direct legal obligation
nor is it a financing facility, a role played by its associated Global Biodiversity Framework Fund

Rationale. The framework gives the nature half of the climate-and-nature nexus its measurable goals, in the way the Paris Agreement anchors the climate half. It matters to a practitioner because funders increasingly ask projects to state their contribution to specific Kunming-Montreal targets, because Target 15 is the treaty hook that TNFD-style disclosure operationalizes, and because Target 3 shapes which conservation areas attract finance. The framework converts a general aspiration to protect nature into a numbered set of targets that a concept note can cite and a monitoring framework can track.

References.

↑ Back to index

Part Two

Climate-and-Nature Finance Institutions

Institutional actors whose names appear repeatedly in the brand voice and the production pipeline. The descriptions focus on the institution's role in the climate-and-nature finance architecture rather than on the institution's full history or mandate.

GREEN CLIMATE FUND (GCF)

Definition. The largest dedicated multilateral climate fund, established under the UNFCCC in 2010 and operational since 2015. The GCF supports developing countries in mitigating greenhouse gas emissions and adapting to climate change, with a Board-agreed aim of a 50:50 balance between mitigation and adaptation over time, in grant-equivalent terms, and a floor of 50% of the adaptation allocation for particularly vulnerable countries, including least developed countries (LDCs), small island developing States (SIDS), and African States.

Examples.

(i) What it is

a multilateral fund accredited entities (national, regional, and international) submit projects to for funding
the institution behind the Concept Note, Funding Proposal, Readiness Programme, and Project Preparation Facility instruments
an increasingly active funder of NbS and EbA projects through its programming and accredited entity network

(ii) What it is not

a bilateral donor
a project implementation agency (the GCF funds projects implemented by accredited entities and their executing partners)
a research or technical assistance organization in its primary function

Rationale. The GCF is the primary institutional architecture the NbS Praxis toolkit business serves. The GCF Concept Note Toolkit, GCF Readiness Toolkit, and GCF Project Preparation Facility Toolkit are designed for buyers preparing projects to submit to the GCF or to support National Designated Authorities and accredited entities through GCF programming processes.

References.

GLOBAL ENVIRONMENT FACILITY (GEF)

Definition. A multilateral fund established in 1991 that finances projects in biodiversity, climate change, international waters, land degradation, chemicals and waste, and forest management. The GEF operates through implementing agencies (multilateral development banks, UN agencies) and is structured around four-year replenishment cycles with thematic focal areas.

Examples.

(i) What it is

the longest-established multilateral environmental fund, with a substantial portfolio in biodiversity finance through the GEF Trust Fund's Biodiversity Focal Area
the operating entity of the Global Biodiversity Framework Fund (GBF Fund) established in 2023
a funder of integrated projects at the climate-and-nature nexus through its multi-focal-area programming

(ii) What it is not

a single-issue fund
a fund that supports adaptation specifically (the Least Developed Countries Fund and Special Climate Change Fund are the GEF-administered adaptation funds, distinct from the main GEF Trust Fund)

Rationale. The GEF is the second major institutional architecture the NbS Praxis toolkit catalog will extend into (after GCF). The GEF's biodiversity-and-climate integration programming under recent GEF cycles makes it a natural fit for nexus-focused toolkit products in 2027-2028.

References.

Global Environment Facility website (
GEF-8 Programming Directions (2022)
Global Biodiversity Framework Fund Implementation Document (2024)

ADAPTATION FUND

Definition. A multilateral fund established under the Kyoto Protocol and now serving the Paris Agreement, dedicated specifically to adaptation finance. The Adaptation Fund pioneered direct access modalities (allowing national implementing entities to access funds without going through multilateral intermediaries) and has a strong portfolio in ecosystem-based adaptation.

Examples.

(i) What it is

the most adaptation-focused of the major multilateral climate funds
a key funder of EbA projects globally
an institution with explicit direct access provisions that make it accessible to national implementing entities in developing countries

(ii) What it is not

a mitigation fund (Adaptation Fund finance does not count toward mitigation targets)
a large fund relative to GCF or GEF (the Adaptation Fund operates at smaller scale but with stronger direct access)

Rationale. The Adaptation Fund is the third major institutional architecture the NbS Praxis toolkit catalog will extend into. The Adaptation Fund's strong EbA portfolio and direct access modalities make it a particularly important institution for toolkits supporting national implementing entities in developing countries.

References.

GLOBAL BIODIVERSITY FRAMEWORK FUND (GBF FUND)

Definition. A multilateral fund established in 2023 under the Global Environment Facility to support implementation of the Kunming-Montreal Global Biodiversity Framework. The GBF Fund is the principal financing instrument for the GBF and is structured to mobilize finance from public, private, and philanthropic sources for biodiversity conservation, sustainable use, and benefit-sharing.

Examples.

(i) What it is

the operational financing arm for the post-2020 global biodiversity framework
a fund with explicit recognition of climate co-benefits in its programming
a relatively new institution (operationalized 2024) whose architecture is still developing

(ii) What it is not

a climate fund (although it recognizes climate co-benefits, its primary outcomes are biodiversity)
a substitute for the GEF Trust Fund's Biodiversity Focal Area (the two operate complementarily)
a fully matured institution with a long track record

Rationale. The GBF Fund is the institutional architecture most directly relevant to nature finance work and to future nature-finance toolkit products. Its early-stage status creates both opportunity (practitioners can shape the institutional language) and risk (institutional language and instruments may evolve significantly in the next 24-36 months).

References.

Global Biodiversity Framework Fund Implementation Document (2024)
CBD COP15 Decision 15/4 (Kunming-Montreal Global Biodiversity Framework)
GEF Council documents on GBF Fund operationalization

Definition. A market-led, science-based initiative that published its final framework in September 2023 for organizations to report and act on evolving nature-related dependencies, impacts, risks, and opportunities. The TNFD framework parallels the Taskforce on Climate-related Financial Disclosures (TCFD) and is increasingly being adopted by major financial institutions and corporates. The framework is structured around the LEAP approach (Locate, Evaluate, Assess, Prepare) and is being absorbed into mandatory disclosure regimes in several jurisdictions.

Examples.

(i) What it is

the leading disclosure framework for nature-related financial considerations
a market-led initiative with strong institutional backing (UNEP FI, WWF, Global Canopy, UNDP)
the principal mechanism through which nature is being integrated into mainstream corporate and financial reporting

(ii) What it is not

a regulatory mandate by itself (TNFD adoption is voluntary, though jurisdictions are increasingly making it mandatory)
a project finance framework (TNFD is about disclosure and risk management, not project preparation)
a substitute for biodiversity-specific accounting frameworks

Rationale. TNFD is the principal architecture moving nature-related risk from voluntary corporate disclosure to mainstream balance-sheet pricing — the structural shift the publication has tracked across both newsletter issues. The publication's editorial position is that TNFD-aligned disclosure is the route by which "ecosystem dependency" is internalized into asset valuation, ending the era of "free" environmental extraction. The framework is also the operational reference for the data-stack logic in nature-finance investor guidance.

References.

UNEP FINANCE INITIATIVE (UNEP FI)

Definition. A partnership between the United Nations Environment Programme and the global financial sector to mobilize private finance for sustainable development. UNEP FI convenes banks, insurers, and investors around frameworks for integrating environmental, social, and governance considerations into financial decision-making, and is the principal UN convening body on nature-finance for the financial sector.

Examples.

(i) What it is

a global membership organization of financial institutions committed to sustainable finance principles
the secretariat for the Principles for Responsible Banking, the Net-Zero Banking Alliance, and the Principles for Sustainable Insurance
a primary publisher of analytical work on nature-related risk for financial institutions, including the 2023 figure of approximately USD 102 billion in "nature-badged" private finance that has become the headline reference figure

(ii) What it is not

a regulator (UNEP FI sets frameworks and convenes members; regulators set rules)
a project finance vehicle (UNEP FI does not finance projects directly)
a unified position-taker (member institutions retain independent strategies under shared principles)

Rationale. UNEP FI is the source of one of the two competing measurement frames the publication has tracked: the “nature-badged” tally of approximately USD 102 billion in private finance for 2023, which sweeps in every nature-labelled instrument from biodiversity ETFs to debt swaps. Set against UNEP's own State of Finance for Nature 2026 figure of approximately USD 23 billion in private NbS finance on a narrower boundary, the gap between the two UN-affiliated sources is at least fourfold — and, because the narrower figure is measured three years later, wider still if private nature finance grew over the interval. That gap is the empirical anchor of the No. 2 measurement-failure thesis.

References.

INTERNATIONAL SUSTAINABILITY STANDARDS BOARD (ISSB)

Definition. The standard-setting board established by the IFRS Foundation in 2021 to develop a global baseline of sustainability-related financial disclosure standards for capital markets. Its first two standards, IFRS S1 on general sustainability-related disclosures and IFRS S2 on climate-related disclosures, were issued in June 2023 and drew together the earlier work of the Task Force on Climate-related Financial Disclosures and the SASB standards. In 2026 the board agreed to develop nature-related disclosure requirements in the form of an IFRS Practice Statement sitting alongside IFRS S1 and S2, with an exposure draft targeted for October 2026.

Examples.

(i) What it is

the body whose standards define how companies report climate and, prospectively, nature-related risks and opportunities to investors, and the financial-reporting counterpart to the nature-focused TNFD, on whose recommendations the board is drawing

(ii) What it is not

a nature-specific framework — the board's remit is investor-focused financial materiality across sustainability topics, and its nature work is being built as guidance on applying the existing standards rather than as a standalone biodiversity standard
nor is it a regulator, since whether the standards apply depends on adoption by each jurisdiction

Rationale. The board matters to the nexus because it is the channel through which nature-related disclosure is most likely to become mandatory and comparable across markets, turning the voluntary TNFD architecture into an enforceable reporting baseline. For a practitioner structuring an integrated climate-and-nature claim, the board's standards increasingly determine what counts as a defensible, investor-grade disclosure, and its 2026 move on nature signals that the measurement discipline long demanded of carbon is extending to biodiversity.

References.

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Part Three

Project Preparation Terms

Terms specific to the project preparation work that the NbS Praxis toolkit business is built around. These terms appear in the toolkit products, in advisory engagements, and in the brand's content addressing the institutional architecture of climate-and-nature project finance.

NATIONAL DESIGNATED AUTHORITY (NDA)

Definition. The government institution designated by each developing country as its primary point of contact for the Green Climate Fund. The NDA is responsible for nominating accredited entities, endorsing project concept notes and funding proposals, and ensuring alignment between GCF programming and national climate strategies (NDCs and NAPs).

Examples.

(i) What it is

a single designated government institution per country (typically housed in the ministry of environment, finance, or planning)
the institutional gatekeeper for GCF programming in-country
a focal point engaging with both accredited entities (on specific projects) and the broader climate finance community (on country programming strategy)

(ii) What it is not

the implementing agency for GCF projects (that role is played by accredited entities and their executing partners)
a multi-purpose climate policy body (the NDA's mandate is specifically GCF-focused)

Rationale. NDA officers are a primary audience for NbS Praxis content and toolkits. The GCF Readiness Programme Toolkit is partly oriented toward NDAs and toward consultancies working with NDAs on readiness proposals. NDA endorsement is a mandatory step in GCF Concept Note submission, which makes the NDA-AE relationship a central operational consideration in toolkit content.

References.

ACCREDITED ENTITY (AE)

Definition. An institution accredited by the Green Climate Fund to develop and implement GCF-funded projects. Accreditation is granted through a structured process assessing the entity's fiduciary standards, environmental and social safeguards, and gender policy. AEs can be national (direct access), regional, or international, and operate at different scales of project size based on their accreditation level.

Examples.

(i) What it is

the institution that submits GCF concept notes and funding proposals on behalf of project ideas it has developed or that have been brought to it
the implementing institution for approved GCF projects (typically through executing entities)
the institution that bears fiduciary and safeguards responsibility for GCF-funded work

(ii) What it is not

the project beneficiary (AEs are intermediary institutions)
a guaranteed funder (accreditation enables access to GCF finance but does not guarantee project approval)
a perpetual status (accreditation must be renewed and can be suspended for non-compliance)

Rationale. Aspiring AEs and existing AEs are both primary audiences for the NbS Praxis toolkit business. The GCF Concept Note Toolkit, GCF Readiness Toolkit, and GCF Project Preparation Facility Toolkit all serve AE and aspiring-AE buyers.

References.

CONCEPT NOTE (CN)

Definition. The initial project document submitted to the Green Climate Fund by an accredited entity. The Concept Note presents the project's rationale, objectives, expected outcomes, finance structure, and alignment with GCF investment criteria. The CN is the GCF's first-stage filter; only projects whose CNs are approved by the GCF Secretariat proceed to the full Funding Proposal stage.

Examples.

(i) What it is

a structured document (currently template V.3.1) of approximately 20-30 pages
the project's first formal articulation against GCF requirements
the document that establishes the project's analytical foundation (theory of change, climate rationale, finance structure) for subsequent development

(ii) What it is not

a full project proposal
a guarantee of funding
a one-time exercise (CNs typically undergo multiple iterations between AE and GCF Secretariat)

Rationale. The Concept Note is the central artifact of the GCF Concept Note Toolkit and is the most-prepared GCF document in the practitioner community. The shift from CN template V.2.2 to V.3.1 (the central insight of the toolkit's analytical foundation) is the most consequential recent change in GCF concept note preparation discipline.

References.

Green Climate Fund, concept note submission and screening in the GCF project cycle
GCF has withdrawn its earlier public concept-note template and guidance (the Concept Note User's Guide and the Programming Manual) as it moves to a digital project-cycle system, and the current template and detailed submission guidance are now accessed by Accredited Entities and National Designated Authorities through GCF's own project-cycle systems

THEORY OF CHANGE (ToC)

Definition. An analytical framework that articulates the causal chain between project activities, outputs, outcomes, and long-term impact, alongside the assumptions that connect each step and the risks that threaten the chain. In climate-and-nature finance, the Theory of Change is the structural foundation of project design and is increasingly required by GCF, GEF, Adaptation Fund, and other multilateral funders.

Examples.

(i) What it is

a structured logical framework distinguishing activities, outputs, outcomes, impact, assumptions, and risks
the analytical foundation that connects project design to results-based monitoring
the basis on which project performance is assessed against funder expectations

(ii) What it is not

a logical framework matrix alone (the ToC is the underlying analytical logic; the logframe is one of several ways to present it)
a fixed document
a marketing narrative (rigorous ToCs are testable rather than aspirational)

Rationale. The Theory of Change is the natural starting point for climate-and-nature project design and is the analytical spine that the GCF Concept Note Toolkit is built around. Senior practitioners consistently observe that weak ToCs are the most common cause of weak concept notes; strong ToCs are necessary but not sufficient for strong concept notes.

References.

MEASUREMENT, REPORTING, AND VERIFICATION (MRV)

Definition. The integrated system of methodologies, data collection, reporting protocols, and independent verification by which a project demonstrates that its climate or nature outcomes are real, measurable, and attributable. MRV is the operational machinery through which the assurance question is answered for a specific project, and is the precondition for credit issuance, results-based payment, and credible disclosure.

Examples.

(i) What it is

a project-level monitoring plan with baselines, methodologies, frequency, and assigned responsibilities
periodic reporting to a registry or funder against agreed indicators
independent third-party verification, typically by an accredited validation/verification body

(ii) What it is not

monitoring alone (monitoring captures data; MRV requires the data to be reported and independently verified)
a guarantee of outcome
a substitute for project design

Rationale. MRV is the operational expression of the assurance argument that runs across the publication's central editorial line. The No. 1 issue's central claim — that the binding constraint has shifted from legitimacy to assurance — is in practice a claim that MRV capacity, not headline finance, is the scarce resource. For NbS specifically, MRV faces distinctive challenges around blue-carbon soil dynamics, baseline drift, leakage across landscape scales, and permanence over century horizons, which is why NbS MRV is itself a frontier area of methodology development.

References.

UNFCCC technical guidance on MRV (Article 13 of the Paris Agreement)
Verra VCS Standard and methodologies
Gold Standard for the Global Goals
ICVCM Core Carbon Principles assessment framework
CDP, GRI, and TNFD disclosure protocols

Related terms. Additionality; Permanence; Theory of Change (ToC).

ADDITIONALITY

Definition. The principle that a project should result in a climate or nature outcome that would not have occurred in its absence — that the intervention is additional to the business-as-usual baseline. Additionality is one of the foundational tests for carbon and biodiversity credits, alongside permanence and the absence of leakage, and is among the most contested concepts in offset-and-contribution methodology.

Examples.

(i) What it is

a project that protects a forest under demonstrable threat of clearing, where the protection would not have occurred without the project's intervention
a restoration project on degraded land where restoration would not have happened without the project's finance
a methodology test typically combining financial, regulatory, common-practice, and barrier analyses

(ii) What it is not

the same as monitoring outcomes (additionality is about counterfactuals, not realized outcomes)
a settled methodology
a one-time test (additionality assumptions can require revalidation as baselines shift)

Rationale. Additionality sits at the heart of the offset-to-contribution shift that the No. 2 issue identified as one of the four structural shifts in nature finance. The University of Utah net-cooling roadmap tightens the additionality screw alongside leakage, permanence, and biophysical accounting, with the cumulative effect of moving the defensible corporate claim from "we offset" to "we contributed." For practitioners, additionality discipline is the most common point of failure in concept-note review and is increasingly subject to ex-post evaluation.

References.

Definition. The principle, established in the UN Declaration on the Rights of Indigenous Peoples and incorporated into multilateral finance safeguards, that Indigenous Peoples have the right to give or withhold consent to any project or decision that affects their lands, territories, or other resources, on the basis of full information and without coercion. FPIC is operationally distinct from consultation; consent is required, not merely sought.

Examples.

(i) What it is

a structured process by which project proponents engage with Indigenous communities before project design, share complete information about project impacts and benefits, and obtain documented consent before proceeding
a mandatory safeguard standard for GCF, World Bank, IFC, and most multilateral funders
an ongoing requirement that can be withdrawn if circumstances change

(ii) What it is not

consultation alone (consultation is one input; consent is the threshold)
a one-time approval at project start (FPIC is a continuing relationship, not a transaction)
a substitute for tenure clarity

Rationale. FPIC has become a defining test of the credibility of blue-carbon and forest-carbon projects in contested tenure settings, particularly in Southeast Asia. The publication's editorial position is that the assurance question for NbS includes social safeguards as a non-severable component — a project that fails FPIC fails on assurance regardless of its biophysical performance. The coastal long-form (target July 2026) will treat FPIC as a central operational variable in the green-grey integration thesis.

References.

LEAKAGE (in carbon accounting and NbS)

Definition. The displacement of the emissions or ecosystem damage that a project was designed to prevent, such that the activity simply moves outside the project boundary rather than being avoided. Leakage is the reason a project's gross local benefit can overstate its true net contribution to the atmosphere or to biodiversity.

Examples.

(i) What it is

a forest-protection project that halts logging inside its boundary while the same demand for timber drives clearing in an adjacent unprotected area (activity-shifting leakage)
a mangrove-conservation scheme that pushes aquaculture conversion to a neighboring coastline (market leakage)

(ii) What it is not

a measurement error or a reversal of stored carbon — those are accounting and permanence problems respectively
leakage is specifically about emissions or damage relocating rather than disappearing

Rationale. Leakage sits alongside additionality and permanence as one of the three integrity tests that separate a credible NbS credit from a stranded one, and it featured directly in the No. 2 issue's treatment of the net-cooling roadmap, where honest accounting for leakage is part of why the only defensible corporate claim becomes contributed rather than offset. A glossary that already defines additionality and permanence is incomplete without it.

References.

ARTICLE 6 (PARIS AGREEMENT COOPERATIVE APPROACHES)

Definition. The provision of the Paris Agreement that allows countries to cooperate in meeting their nationally determined contributions through the international transfer of mitigation outcomes. It comprises a bilateral market-based mechanism (Article 6.2, using internationally transferred mitigation outcomes), a centralized crediting mechanism (Article 6.4, the Paris Agreement Crediting Mechanism), and a framework for non-market approaches (Article 6.8).

Examples.

(i) What it is

a host country authorizing the transfer of mitigation outcomes from a project — potentially an NbS or EbA project — into another country's NDC accounting, subject to corresponding adjustments that prevent double counting
the rulebook finalized at COP26 in Glasgow (2021) and elaborated at later COPs

(ii) What it is not

a voluntary carbon market, although the two interact
Article 6 governs transfers between sovereign parties and the integrity rules that attach to them, whereas voluntary markets operate under private standards

Rationale. Article 6 is a central piece of the codification layer the brand tracks, because it determines whether and how nature-based mitigation can cross borders without being counted twice — the kind of definitional plumbing that decides which projects are bankable. It links the project-preparation work to the international accounting architecture that increasingly conditions finance.

References.

VALIDATION AND VERIFICATION BODY (VVB)

Definition. A validation and verification body is the accredited, independent third party that checks a climate or environmental project against its standard. Validation assesses, before implementation, whether the project's design and baseline are sound; verification confirms, after implementation, that the reductions or removals the project projected were realized. The VVB is the assurance institution that stands between a project's self-reported numbers and the registry, funder, or market that relies on them, and its accreditation is what allows a buyer to treat a credit or a result as independently checked rather than self-asserted.

Examples.

(i) What it is

a firm accredited to validate and verify projects under Verra's Verified Carbon Standard or the Gold Standard
a body accredited against ISO 14065 to verify a greenhouse-gas statement
the entity whose validation and verification fees, distinct from the registry's own program fees, a project proponent negotiates and pays per cycle

(ii) What it is not

the standard or registry itself, which sets the rules but does not perform the field audit
the project's internal monitoring team
an accreditation body, which accredits VVBs but does not itself verify projects. The VVB performs the audit
others write the rules or accredit the auditor

Rationale. The validation and verification body is where the cost structure of measurement, reporting, and verification becomes a barrier to entry. The Medellin long-form shows that VVB fees are largely fixed per cycle and therefore fall hardest on the smallest projects, excluding community-scale reforestation from the carbon market before it begins. Understanding the VVB as a discrete, separately priced actor, rather than folding it into a vague notion of verification, is what lets a practitioner see why cheap, automated, per-credit measurement could change the economics of small projects and where the assurance bottleneck sits.

References.

REDD+ (REDUCING EMISSIONS FROM DEFORESTATION AND FOREST DEGRADATION)

Definition. A results-based framework under the United Nations Framework Convention on Climate Change through which developing countries can receive payments for verified reductions in greenhouse-gas emissions from avoided deforestation and forest degradation, together with the activities denoted by the plus sign — conservation of forest carbon stocks, sustainable management of forests, and enhancement of forest carbon stocks. Its rules were consolidated in the Warsaw Framework for REDD+ adopted at the nineteenth Conference of the Parties in 2013, and the mechanism is anchored in Article 5 of the Paris Agreement.

Examples.

(i) What it is

a national- or jurisdictional-scale, pay-for-performance mechanism requiring a forest reference emission level, a national forest-monitoring system, safeguards, and independent verification before results-based payments are made, and the framework under which national instruments such as Vietnam's 2026 forest-carbon decree recognize eligible activities including avoided deforestation, afforestation and assisted natural regeneration, forest restoration, and improved forest management

(ii) What it is not

a project-by-project offset scheme in its UNFCCC form — although voluntary-market forest-carbon projects exist and use the REDD label, the UNFCCC construct is designed around national accounting precisely to control leakage
nor is it a guarantee of finance, since payment follows demonstrated, verified emission reductions

Rationale. REDD+ is the longest-standing large-scale mechanism for paying to keep carbon in living ecosystems, and its two-decade record is where the field learned that permanence, additionality, leakage, benefit-sharing, and free, prior, and informed consent are the binding constraints on ecosystem-carbon finance, not the science of sequestration. For a practitioner it is both a live source of results-based finance and a cautionary archive: the credibility problems that now recur across blue-carbon and other nature-based crediting were first diagnosed in REDD+.

References.

Definition. The arrangements that determine how the monetary and non-monetary benefits generated by a nature-based or forest-carbon program — carbon revenue, but also employment, secure land tenure, infrastructure, and capacity — are distributed among the state, project developers, and the local communities and Indigenous peoples whose stewardship produces the result. In the REDD+ context, a benefit-sharing plan setting out beneficiaries, benefit types, and distribution rules is a standard readiness requirement that must be designed through consultation and disclosed before results-based payments flow.

Examples.

(i) What it is

a negotiated plan specifying who receives what share of carbon revenue and on what terms, developed through stakeholder consultation, as required by the World Bank's Forest Carbon Partnership Facility for its emission-reduction programs

(ii) What it is not

the same concept as the Nagoya Protocol's access and benefit-sharing, which governs the benefits arising from the use of genetic resources and is a distinct legal instrument
nor is it satisfied by a revenue-allocation rule alone — a decree that routes funds through a national fund sets payment mechanics but is not, by itself, a full benefit-sharing regime, which also requires tenure safeguards, grievance mechanisms, and free, prior, and informed consent

Rationale. Benefit-sharing is the mechanism that determines whether an NbS project's finance reaches the people who hold and protect the asset, and it is therefore the hinge on which both the equity and the durability of a project turn, since arrangements perceived as unfair predict the community disengagement that undermines permanence. For a practitioner assessing a national carbon framework, whether it fixes benefit-sharing — not merely revenue allocation — before transactions scale is a first-order test of the framework's credibility.

References.

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Part Four

ASEAN-Specific and Regional Terms

Terms specific to the ASEAN regional focus that appears in the weekly briefing and that informs the brand's regional positioning. These terms appear in the production pipeline prompts and in any regional content the brand produces.

ASEAN CATALYTIC GREEN FINANCE FACILITY (ACGF)

Definition. A financing facility administered by the Asian Development Bank that supports green infrastructure projects in ASEAN countries through blended finance vehicles. The ACGF mobilizes public and private finance for projects aligned with ASEAN green economy objectives, with a focus on infrastructure with climate mitigation and adaptation outcomes.

Examples.

(i) What it is

a blended finance facility specifically for ASEAN green infrastructure
a vehicle through which ADB co-finances and structures projects with multiple finance partners
a regional mechanism that complements country-level GCF and bilateral programming

(ii) What it is not

a grant fund (ACGF operates through loans and blended instruments)
a substitute for national climate finance institutions (ACGF works through and alongside national systems)
a biodiversity-specific fund

Rationale. The ACGF is the principal regional finance architecture for ASEAN climate-and-nature work and appears frequently in ASEAN regional content. Its operational model — blended finance mobilizing private capital around public anchor finance — is structurally relevant to broader trends in climate-and-nature finance.

References.

ASEAN TAXONOMY FOR SUSTAINABLE FINANCE

Definition. A common classification system for sustainable economic activities developed by the ASEAN Taxonomy Board, currently in its third version (2024). The taxonomy provides a regional framework for identifying activities aligned with environmental objectives including climate change mitigation, climate change adaptation, sustainable use of water, ecosystem protection, pollution prevention, and circular economy.

Examples.

(i) What it is

a regional taxonomy structured around six environmental objectives
a framework using a traffic-light system (green, amber, red) that recognizes the realities of ASEAN's energy transition pathways
a tool intended for use by financial institutions, regulators, and corporates in identifying and reporting sustainable economic activities

(ii) What it is not

a regulatory mandate (adoption is voluntary at the regional level, though some member states are integrating it into national regulation)
a global standard
a substitute for project-level environmental and social impact assessment

Rationale. The ASEAN Taxonomy is the regional architecture most relevant to private-sector engagement with climate-and-nature finance in ASEAN, and it interacts with TNFD adoption in the region. Its inclusion of ecosystem protection as one of the six environmental objectives makes it relevant to nature finance work specifically.

References.

ASEAN Taxonomy Board, ASEAN Taxonomy for Sustainable Finance Version 3 (2024)
ASEAN Capital Markets Forum publications

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Part Five

Strategic and Operational Terms

Terms that appear in the brand's strategic positioning, in the production pipeline, and in the operational architecture of the practice. These are less universally known than the institutional terms above but appear repeatedly in NbS Praxis content.

NATIONALLY DETERMINED CONTRIBUTION (NDC)

Definition. Each country's nationally determined climate contribution, communicated to the UNFCCC under Article 4 of the Paris Agreement. The Agreement obliges each Party to prepare, communicate, and maintain successive contributions and to pursue domestic mitigation measures, while the level of ambition is set nationally; most Parties also include adaptation components, communicated under Article 7. Contributions are communicated every five years and are intended to be progressively more ambitious over time. The NDC is the foundational document anchoring national climate strategies and a key reference point for climate finance project preparation.

Examples.

(i) What it is

a country-level climate contribution with mitigation and, at the Party's option, adaptation components
a document submitted to the UNFCCC Secretariat
the principal anchor for national climate policy and for international climate finance project alignment

(ii) What it is not

a sectoral plan
a binding international treaty (NDCs are nationally determined within the Paris Agreement framework)
a static document

Rationale. Project alignment with NDCs is increasingly required by climate finance institutions. The GCF Concept Note V.3.1 template specifically requires articulation of how the proposed project advances the country's NDC commitments — this is the most consequential change in the V.3.1 template relative to the previous V.2.2 version and is the analytical foundation of the GCF Concept Note Toolkit.

References.

NATIONAL ADAPTATION PLAN (NAP)

Definition. A country-level plan articulating medium- and long-term adaptation needs and the strategies and programs to address them. The NAP process was established under the UNFCCC and is the principal national-level adaptation planning instrument. NAPs increasingly incorporate ecosystem-based adaptation (EbA) as a central strategy and are a key reference for adaptation-focused project preparation.

Examples.

(i) What it is

a long-term national planning document for climate adaptation
a process (not just a document) involving stakeholder engagement, vulnerability assessment, and prioritization
an increasingly important reference for GCF, Adaptation Fund, and bilateral adaptation finance

(ii) What it is not

a project document
a one-time exercise
a substitute for sector-specific adaptation strategies

Rationale. Like NDCs, NAPs are a foundational reference for climate-and-nature finance project preparation, particularly for EbA projects. The GCF Concept Note V.3.1 template requires articulation of how proposed adaptation projects advance the country's NAP priorities. NbS Praxis content frequently references NAPs alongside NDCs as the country-level anchors for project alignment.

References.

NATIONAL BIODIVERSITY STRATEGY AND ACTION PLAN (NBSAP)

Definition. The principal national planning instrument under the Convention on Biological Diversity (CBD), through which each Party translates its biodiversity commitments into national targets, financing plans, and implementation measures. Following the Kunming-Montreal Global Biodiversity Framework (2022), Parties are revising and resubmitting their NBSAPs to align with the Framework's 23 global targets, giving the instrument the same anchoring function for biodiversity commitments that the Nationally Determined Contribution (NDC) performs for climate.

Examples.

(i) What it is

a country's roadmap for translating the Global Biodiversity Framework's targets into domestic targets, resource-mobilization plans, and monitoring measures
a document revised and resubmitted to the CBD Secretariat on a recurring cycle tied to the Conference of the Parties
the biodiversity-side reference a coastal or land-use project cites alongside its NDC and National Adaptation Plan (NAP) to establish country ownership

(ii) What it is not

a legally binding treaty obligation in itself (the CBD is binding on its Parties; the specific content of an individual NBSAP is a matter of national discretion within the Framework's targets)
interchangeable with an NDC (NDCs run under the UNFCCC and center on emissions and adaptation; NBSAPs run under the CBD and center on biodiversity, though the two increasingly cross-reference where climate and nature outcomes coincide)
a one-time filing (it is a recurring planning cycle, not a static document)

Rationale. Anchoring a project in a country's NBSAP alongside its NDC and NAP is what multilateral and philanthropic funders routinely test for country ownership and eligibility, and the practice's Coastal Protection long-form (draft, July 2026) names all three instruments as the triad institutional financiers cite together when assessing a sovereign or sub-sovereign facility. The NBSAP entry closes a gap in the practice's existing three-instrument set of national commitments: the NDC and NAP entries were already in this Glossary, and biodiversity-anchored project design requires the third.

References.

CLIMATE-AND-NATURE CO-BENEFITS

Definition. The additional outcomes generated by an intervention beyond its primary climate or nature outcomes. Co-benefits typically include socio-economic dimensions (livelihoods, public health, food security, water security) and environmental dimensions beyond the primary outcome (water quality, soil health, landscape value). Co-benefits strengthen the case for finance but are analytically distinct from primary outcomes.

Examples.

(i) What it is

outcomes that flow from a primary intervention but are not the principal reason the intervention is being undertaken
outcomes that may be quantified and reported but do not by themselves qualify a project for finance against a specific instrument
substantial value that compounds the case for integrated climate-and-nature interventions over single-purpose alternatives

(ii) What it is not

the primary outcomes themselves
a marketing claim (rigorous practitioner work distinguishes co-benefits from primary outcomes rather than conflating them)

Rationale. The distinction between primary outcomes and co-benefits is central to the NbS Praxis brand's analytical framing. Generic sustainability framings collapse the distinction; serious practitioner thinking maintains it. The co-benefits framing also serves a strategic role in advisory work, where surfacing under-recognized co-benefits can strengthen the case for projects whose primary outcomes are insufficient on their own.

References.

PRACTITIONER JUDGMENT

Definition. The accumulated analytical capability of senior expert practitioners that distinguishes serious project preparation, advisory work, and analytical writing from generic or AI-generated content. Practitioner judgment encompasses what to include and what to exclude, what to emphasize and what to deprioritize, what to question and what to accept, and how to navigate institutional and political dimensions of work that cannot be fully captured in written guidance.

Examples.

(i) What it is

the substantive expertise that comes from sustained engagement with the institutional architecture, the technical content, and the practitioner community over years
the capability to evaluate competing considerations and produce analytical positions that hold under scrutiny
the value-add that justifies premium rates for expert advisory work as AI commoditizes substrate content

(ii) What it is not

tacit knowledge that cannot be articulated
intuition without analytical structure
gatekeeping

Rationale. Practitioner judgment is the central strategic asset that the NbS Praxis brand is built around. The AI-augmented production model is designed specifically to concentrate practitioner time on judgment-layer work while delegating substrate work to AI tools. The brand's writing voice — authoritative, analytical, intellectually honest — is the expression of practitioner judgment in published form.

References.

Mollick, E. (2024) Co-Intelligence: Living and Working with AI

NEW COLLECTIVE QUANTIFIED GOAL (NCQG)

Definition. The New Collective Quantified Goal on climate finance is the post-2025 global climate-finance target agreed at the twenty-ninth Conference of the Parties (COP29) in Baku, Azerbaijan, in November 2024. It calls on developed countries to take the lead in mobilizing at least USD 300 billion per year for developing countries by 2035 — tripling the previous USD 100 billion goal — and sets a broader call on all public and private actors to scale climate finance to developing countries to at least USD 1.3 trillion per year by 2035.

Examples.

(i) What it is

the negotiated successor to the USD 100 billion annual commitment, expressed as a layered goal with a USD 300 billion public-led core and a USD 1.3 trillion outer ambition
the envelope within which nature and adaptation finance must now compete for a share, and the reference point for the Baku to Belém Roadmap to 1.3T that the COP29 and COP30 presidencies were tasked to develop

(ii) What it is not

a binding disbursement schedule or a fund — the NCQG is a collective mobilization goal drawing on public, private, bilateral, multilateral, and alternative sources, not a single channel that projects apply to

Rationale. The NCQG matters to climate-and-nature practice because it sets the headline number against which nature finance is implicitly measured: when the entire developing-country climate-finance envelope is USD 300 billion of mobilized public-led finance and a USD 1.3 trillion aspiration, the share that can plausibly reach nature-based solutions and ecosystem-based adaptation defines the realistic ceiling for the field. The goal also sharpens the brand’s recurring argument that the binding constraint is bankable, finance-ready pipeline rather than headline capital, since a mobilization target converts into projects only where credible instruments and measurement already exist.

References.

DEBT-FOR-NATURE SWAP

Definition. A financial transaction in which a portion of a developing nation's sovereign debt is purchased, refinanced, or forgiven by a third party in exchange for a legally binding commitment by the debtor country to allocate fiscal resources to designated conservation activities. The mechanism converts an external debt obligation into a domestic conservation fund, with the conservation commitment typically governed by an independent trust or fund structure.

Examples.

(i) What it is

a structured transaction involving a creditor (typically a bilateral or commercial lender), the debtor government, and a conservation trust
legally binding allocations of the debt-service savings to specific conservation programs over a defined horizon
recent examples include large-scale swaps in Belize, Barbados, Ecuador, and the Gabon-Ecuador and Cabo Verde models

(ii) What it is not

debt forgiveness without conditionality (a swap requires the conservation commitment)
a quick transaction
a substitute for conservation finance at scale

Rationale. Debt-for-nature swaps are one of the three principal financial instruments at the center of the forthcoming "Assurance to Architecture" long-form (target September 2026). The publication's editorial position is that swaps preserve sovereign credit while channeling preserved fiscal capacity into vital biosphere assets, and that scaling them is among the genuine solutions to the trillions-versus-billions credibility gap. The structural complexity is real and the disbursement pace is slow, but the instrument addresses both sovereign-debt and conservation-finance failures in a single transaction.

References.

BLENDED FINANCE (MULTI-TIERED)

Definition. The strategic use of concessional public or philanthropic capital to mobilize additional private investment for development outcomes, structured through tiered instruments — typically including first-loss capital, mezzanine or subordinated tranches, and senior commercial debt or equity — that redistribute risk across investors with different risk-return preferences. The "multi-tiered" qualifier distinguishes this from simple co-financing arrangements and is essential to the instrument's effectiveness in adaptation and NbS contexts.

Examples.

(i) What it is

a fund structure with public first-loss capital absorbing initial defaults, mezzanine capital from impact investors at moderate risk-return, and senior debt or equity from institutional investors at near-market terms
the GCF's catalytic role in private-sector facilities
the ASEAN Catalytic Green Finance Facility's tiered structure

(ii) What it is not

any combination of public and private funds (true blended finance requires structural risk-redistribution, not just commingling)
an instrument that automatically reduces total cost
a substitute for grant finance

Rationale. Multi-tiered blended finance is the second of the three principal instruments in the forthcoming "Assurance to Architecture" long-form. The publication's editorial position is that the instrument's effectiveness depends critically on the design of the first-loss tranche — too thin a first loss fails to mobilize private capital; too generous a first loss subsidizes private returns without genuine additionality. The instrument is most effective in adaptation and NbS pipelines anchored in NDC and NAP commitments, where the underlying project pipeline is portfolio-eligible rather than orphaned.

References.

CONTRIBUTION CLAIM (vs OFFSET CLAIM)

Definition. A corporate or sovereign claim that supports climate or nature outcomes through finance, action, or partnership, without asserting equivalence between the supported outcomes and the claimant's own emissions or impacts. A contribution claim describes what the claimant contributed to; an offset claim asserts that emissions or impacts have been neutralized by an equivalent action elsewhere. The distinction has become central as the credibility of offset claims has come under sustained scientific and regulatory scrutiny.

Examples.

(i) What it is

a corporate statement that the company has financed mangrove restoration projects supporting national adaptation goals, without claiming those projects offset the company's residual emissions
participation in a sovereign-led results-based payment program without asserting credit-for-credit equivalence
nature-positive contribution toward landscape outcomes that does not enter the company's net-zero accounting as a deduction

(ii) What it is not

the same as an offset claim (offsets assert equivalence; contributions do not)
a way to avoid emission reductions
a soft accounting move (rigorous contribution claims require evidence of additionality, durability, and outcome, only without the equivalence assertion)

Rationale. The shift from offset to contribution is one of the four structural shifts the No. 2 issue identified in nature finance, and it represents the maturing of corporate climate-and-nature claims in response to evidence that many offsets fail the additionality and permanence tests required for equivalence. The publication's editorial position is that contribution claims, properly structured, protect both the integrity of corporate disclosure and the legitimacy of nature-finance flows — and that the field's binding constraint for the next decade is the methodology and verification infrastructure for contribution rather than for offset.

References.

MEASUREMENT FAILURE (ANALYTICAL FRAMING)

Definition. The analytical move, used in the NbS Praxis editorial voice, of framing apparent contradictions in finance figures, project outcomes, or institutional claims as failures of measurement infrastructure rather than as substantive disputes between sources. The framing recognizes that competing figures often arise from different definitions, taxonomies, or scopes rather than from disagreement about underlying facts, and that the field's response should be to invest in shared, decision-grade definitions rather than to litigate the gap.

Examples.

(i) What it is

the framing applied in the No. 2 issue to the gap between UNEP's State of Finance for Nature figure on a narrower boundary (~USD 23 billion, 2026) and the UNEP FI nature-badged figure (~USD 102 billion, 2023) — both correct against their respective definitions. The two figures are three years apart, and the narrower one is the later one, so if private nature finance grew over the interval the definitional gap is wider than the headline fourfold, not narrower
what fails is the field's ability to produce a number that holds when quoted twice

(ii) What it is not

a dismissal of measurement disputes as merely technical (the consequences are real and substantial)
a counsel of relativism (some figures are better-sourced than others, and the publication maintains the primary-versus-secondary discipline)
an excuse for vague reporting

Rationale. The measurement-failure framing is one of the publication's most distinctive analytical moves and is part of what positions NbS Praxis above generic synthesis. It also generalizes: the framing applies equally to disputes about NbS project outcomes (where source and methodology differences explain apparent contradictions), to MRV controversies, and to the offset-to-contribution debate. Practitioners trained to recognize measurement failure as a category can move conversations from accusation to architecture.

References.

Original to NbS Praxis editorial voice (No. 2 issue, June 2026)
methodologically informed by debates in carbon-accounting standards (e.g. WRI/WBCSD GHG Protocol revisions)
the broader literature on indicator construction in international development (Davis, Kingsbury and Merry, "Indicators as a Technology of Global Governance," Law and Society Review, 2012)

GREEN BOND

Definition. A debt instrument whose proceeds are earmarked exclusively for projects with environmental benefits, issued under a recognized set of voluntary principles or a regulatory standard that specifies use of proceeds, project evaluation, management of proceeds, and reporting. The defining feature is the ring-fencing and disclosure of where the money goes, not a difference in the bond's credit risk.

Examples.

(i) What it is

a sovereign or corporate bond financing renewable energy, sustainable water management, or ecosystem restoration, with annual allocation and impact reporting against the ICMA Green Bond Principles or the EU Green Bond Standard

(ii) What it is not

a guarantee of environmental outcome — the No. 2 issue noted that green bonds still cannot prove they are green, meaning the use-of-proceeds promise is only as credible as the measurement and verification behind the reported impact

Rationale. Green bonds are the most mature of the labeled instruments converging on nature finance, and they illustrate the recurring theme that a label is not proof. In urban NbS a dedicated maintenance reserve carried within a green-bond structure is one of the mechanisms that turns a one-off capital outlay into a durable, permanence-respecting asset.

References.

LAND VALUE CAPTURE (LVC)

Definition. Land value capture is the family of fiscal instruments through which a public authority recovers for the public purse some share of the increase in private land and property value that public investment, or a public decision such as a rezoning, creates. Its core instruments are the betterment levy, a charge on properties that benefit from a specific public work (known in Colombia as contribución de valorización), and the land-value-increment charge on the uplift arising from administrative acts (the Colombian participación en plusvalía), alongside related mechanisms including tax-increment financing, the sale or auction of development rights, and developer exactions.

Examples.

(i) What it is

a betterment levy ring-fenced to fund the maintenance and extension of an urban green corridor whose presence raises adjacent land values
a plusvalía charge that recycles a share of rezoning gains back into the district that generated them
the betterment financing that has paid for a large share of Medellín's arterial roads through the city's valorization fund

(ii) What it is not

a general property tax levied irrespective of any specific public investment
a one-time developer fee unconnected to measured value uplift
and it is not, in itself, a guarantee of equity, since poorly designed capture can fall on the very residents an intervention was meant to protect

Rationale. Land value capture is the central financing argument of the brand's urban nature work and the instrument the Medellín long-form identifies as the program's single largest missed opportunity. A nature-based asset that raises the value of the land around it is, in fiscal terms, an asset capable of funding its own maintenance and its own extension; capturing that uplift both creates the dedicated, ring-fenced revenue stream that solves the permanence problem that kills most urban NbS and, by recycling value back into the host district, begins to make equity resilient rather than incidental. The mature toolkit for capture sits almost entirely in the transit sector, and the frontier the brand argues for is its transfer from transit to nature.

References.

RESILIENT EQUITY (EQUITABLE RESILIENCE)

Definition. Resilient equity is the brand's term for an equity gain engineered to survive over time because it is secured in structure, tenure, or a dedicated revenue stream, rather than announced at a project's opening and left to the goodwill of a design. It draws on the scholarly concept of equitable resilience, which asks not only whether a system recovers from shock but who benefits and who bears the cost when it does, and insists that resilience-building attend to the underlying distribution of rights, assets, and power.

Examples.

(i) What it is

Durban's Buffelsdraai community reforestation program, where local tree-preneurs earn redeemable credits and the gains are protected because the land is municipally owned and so not exposed to redevelopment displacement
a land-value-capture mechanism that recycles uplift into the host community so that rising amenity does not simply price out the residents it was meant to serve

(ii) What it is not

a participatory design or a gardener-training scheme that delivers benefits during construction but leaves no structural protection once the founding champions move on, as the brand argues was the case in Medellín
and it is not a synonym for equity in the abstract, since the distinctive claim is durability secured through structure

Rationale. Resilient equity is the small but load-bearing piece of vocabulary the Medellín long-form introduces to name the hinge of its social argument: that the difference between a city that secures an equity gain and one that merely intends it is whether the gain is built into tenure and financing or left to design intent. It ties the brand's equity commitment directly to its financing argument, because the same instrument that funds maintenance, land value capture, is also what can make equity durable.

References.

RESULTS-BASED PAYMENTS (RBP)

Definition. Results-based payments are disbursements made only after a defined climate or environmental outcome has been achieved and independently verified, in contrast to payments made for inputs, activities, or units delivered. In the nature and climate field the term spans the payment architecture for verified emission reductions under the UNFCCC's REDD+ framework, performance-based forest and ecosystem payments by multilateral funds and the World Bank, and project-level schemes that pay community growers for trees that survive rather than for trees that are planted.

Examples.

(i) What it is

the Green Climate Fund's REDD+ results-based payments, which reward verified reductions in deforestation emissions
the World Bank's East Kalimantan Emission Reductions Payment Agreement in Indonesia, which pays on measured performance
Freetown's reforestation campaign, which pays growers on geotagged, verified tree survival recorded as a digital token

(ii) What it is not

payment for activities or inputs regardless of outcome
a grant disbursed against a workplan
and it is not self-executing, since it depends entirely on a credible measurement, reporting, and verification system and on a domestic budget willing to keep paying once donor finance ends

Rationale. Results-based payments matter to the brand because they are where the measurement argument becomes a financing reality: a benefit that cannot be independently verified cannot carry a results-based payment, and a payment that turns on survival rather than planting forces the falsifiable outcome that plant-and-walk-away schemes never publish. Their central vulnerability, that they live or die on whether domestic budgets keep paying after the donor stops, is precisely the permanence-of-financing question the brand presses across its urban and forest work.

References.

GREENWASHING

Definition. Greenwashing is the practice, whether deliberate or the product of loose definitions, of presenting a product, instrument, portfolio, or organization as more environmentally beneficial than the evidence supports. In nature and climate finance it appears wherever a green or nature label is attached to an instrument whose use of proceeds, project selection, or post-issuance reporting cannot demonstrate a real and additional environmental outcome.

Examples.

(i) What it is

a green bond whose proceeds add little beyond conventional debt yet still carry the green label
a nature-badged headline finance figure that sweeps in instruments with no measurable nature outcome
an offset claim asserting neutrality on the basis of credits that fail tests of additionality, leakage, or permanence

(ii) What it is not

an honest contribution claim backed by verified data and a stated provenance caveat
a genuine green instrument with credible nature metrics and safeguards
and it is not merely a presentational sin, because it misprices risk and erodes the credibility of the whole category

Rationale. Greenwashing is the failure the brand's editorial line is built to counter through its insistence on contribution over offset and on measurement as infrastructure rather than reporting. It is the predictable consequence of the field's definitional disorder, the same disorder that lets private nature finance for a single year be reported as anywhere between twenty-three and one hundred and two billion dollars depending on the taxonomy chosen, and it is the reason the brand argues that the scarce skill is no longer originating deals but producing numbers that survive being quoted.

References.

PAYMENT FOR ECOSYSTEM SERVICES (PES)

Definition. Payment for ecosystem services is a voluntary transaction in which a well-defined environmental service, or a land use likely to secure that service, is bought by at least one buyer from at least one provider, on the condition that the provider continuously secures its provision. The service is typically watershed protection, carbon sequestration, biodiversity conservation, or landscape beauty, and the payment converts an externality that markets ordinarily ignore into a contracted, recurring revenue stream for the land steward who supplies it.

Examples.

(i) What it is

Costa Rica's national Pago por Servicios Ambientales program, which pays landholders for forest conservation, reforestation, and agroforestry from earmarked fuel-tax and water-tariff revenues
a downstream water utility paying upstream farmers to maintain the forest cover that protects a catchment
a conservation payment conditioned on verified standing forest rather than on trees planted

(ii) What it is not

a one-off grant or subsidy carrying no conditionality
a pure offset transaction in which a buyer claims the reduction against its own target
a national-scale results-based payment for an already-realized and verified emissions reduction, a related but distinct architecture. PES rewards the continuous provision of a service rather than a discrete, certified outcome

Rationale. Payment for ecosystem services is the financing logic that sits upstream of the catchment in the brand's urban nature work. The Medellin long-form argues that the cheapest interventions usually lie upstream in the wider basin, where PES can pay the land stewards who protect the water, soil, and forest that a downstream city depends on. PES matters to the practice because conditionality is its defining discipline. A payment that flows only while the service is secured is the rural counterpart to the survival-based payment and the ring-fenced betterment levy, each tying money to a verifiable, ongoing result rather than to an intention.

References.

THE INTEGRATED CLAIM (ONE PROJECT, ONE ACCOUNT)

Definition. The integrated claim is the practitioner discipline of documenting a single nature-based intervention so that one verifiable account carries its climate-mitigation, climate-adaptation, and biodiversity outcomes together, legible at once to the several buyers that finance each — most concretely a treasury that budgets nature on a core public line and an insurer that prices nature inside a risk model. The term names the shift from presenting a project as either a carbon asset or a biodiversity asset toward building it as one account in which all three outcome classes are measured, evidenced, and able to withstand third-party scrutiny.

Examples.

(i) What it is

a mangrove or peatland project whose single results framework records sequestered carbon, quantified coastal risk reduction, and a documented biodiversity outcome, each traceable to a method a third party can check
a project structured so a public treasury and a private insurer can both read the value relevant to them from the same account

(ii) What it is not

a project that asserts co-benefits rhetorically without measuring them (see Integrated Primary Outcomes)
a bundle of separate carbon and biodiversity claims sold twice into different markets, which invites double counting
a marketing narrative of “multiple benefits” unsupported by a single auditable ledger

Rationale. The integrated claim is the practitioner instruction the brand drew from the June 2026 London, United Kingdom, convenings, where climate and nature fused in political language, in an insurance-underwriting methodology, and in public-budget framing while no disbursed instrument appeared. The scarce skill it names is no longer structuring one bankable asset but positioning a project so that a single account carries both its climate and nature values for more than one buyer at once. It is the constructive companion to the measurement-failure framing: measurement failure diagnoses why claims come apart, and the integrated claim specifies the account that has to hold for capital to move.

References.

NbS Praxis, “The Climate-Nature Nexus in Practice,” Weekly Briefing No. 5, 27 June 2026 (origin of the framing in the brand voice)
United Nations Environment Programme Finance Initiative, Global Roundtable on Sustainable Finance 2026 (nature-into-climate-risk-underwriting methodology, organizer-described, to be verified against UNEP FI’s published output on release)
Taskforce on Nature-related Financial Disclosures, Recommendations (final framework, September 2023)
Green Climate Fund, Initial Investment Framework and updated investment criteria (2014, updated 2022), on scoring projects against primary outcomes

NATURE IN CLIMATE-RISK UNDERWRITING (RESILIENCE UNDERWRITING)

Definition. Nature in climate-risk underwriting is the emerging insurance-sector practice of incorporating the risk-reduction services of ecosystems — a mangrove belt that attenuates storm surge, a floodplain that absorbs peak flows — into the models by which insurers price and underwrite climate risk, so that a protected or restored ecosystem is treated as measurable risk reduction rather than as charitable expenditure. Pricing of this kind is the precondition for the buy-side instrument that a priced, insurable nature asset requires: an insurer can only reward an ecosystem that its risk model can read.

Examples.

(i) What it is

a methodology that lets an underwriter credit a coastal wetland with a quantified reduction in expected flood loss
a parametric or indemnity structure whose pricing reflects the protective value of a restored ecosystem
the treatment of ecosystems as resilience infrastructure inside an insurer’s risk model, paired on the public side with a treasury that budgets that same nature on a core line

(ii) What it is not

a philanthropic or corporate-social-responsibility contribution to conservation
a disclosure exercise alone (frameworks such as TNFD surface nature-related risk but do not price it into a premium)
a catastrophe model that ignores ecosystem condition
a nature claim asserted without a method an actuary can audit

Rationale. The June 2026 UNEP FI Global Roundtable presented a first-of-its-kind method for integrating nature into climate-risk underwriting, alongside sector guidance from the Taskforce on Nature-related Financial Disclosures, and the brand reads this as infrastructure for pricing rather than committed capital — the tooling that lets an insurer price a mangrove or a floodplain as risk reduction. For a practice built on the climate-and-nature nexus, underwriting is one of the two buyer-side channels, the insurer’s risk model and the treasury’s budget line, that an integrated claim must satisfy, which is why the discipline of measurement recurs as the binding condition on whether the mechanism delivers capital.

References.

PARAMETRIC INSURANCE (FOR NATURE-BASED RISK TRANSFER)

Definition. Parametric insurance is a coverage structure that pays a predetermined amount automatically when an objectively measured parameter — wind speed, rainfall, a modeled storm-surge height — crosses a pre-agreed trigger threshold, rather than following the traditional indemnity process of assessing and verifying an actual loss after the fact. Applied to coastal and marine ecosystems, it is the instrument that lets a reinsurer pay against an ecosystem's protective service as soon as a hazard event occurs, funding restoration and maintenance before a lengthy claims process could otherwise begin.

Examples.

(i) What it is

the policy written for the Mesoamerican Reef off Quintana Roo, Mexico, developed by a Coastal Zone Management Trust with Swiss Re and The Nature Conservancy, which pays out on a wind-speed trigger with proceeds restricted to reef restoration
the mangrove-monetization model of Conservation International's Restoration Insurance Service Company, which structures insurer payments around a modeled flood-risk-reduction benefit

(ii) What it is not

the same as indemnity insurance (indemnity pays the assessed loss after a claims process; parametric pays a fixed amount on trigger, which is faster but carries basis risk — a possible mismatch between the payout and the actual loss)
identical to the broader practice of Nature in Climate-Risk Underwriting (that entry covers the general incorporation of ecosystem risk-reduction into insurer risk models; parametric insurance is one specific instrument within that practice, distinguished from indemnity-based structures)
a substitute for the restoration work itself (the payout typically funds restoration and maintenance rather than replacing the need for it)

Rationale. The brand's Coastal Protection long-form (draft, July 2026) identifies parametric insurance as the proof of concept for financing an appreciating coastal asset, because a trigger tied to a modeled hazard converts an ecosystem's protective service into a priced, insurable cash flow without waiting on the loss-adjustment process a conventional indemnity policy requires. The instrument's practical value for practitioners is speed: a portfolio built on parametric triggers can pay for reef or mangrove repair within days of a storm, which is what keeps a protective ecosystem's recovery from lagging the next hazard season.

References.

Swiss Re Institute and The Nature Conservancy, joint reporting on the Mesoamerican Reef parametric insurance policy, Quintana Roo, Mexico (2018)
Conservation International, Restoration Insurance Service Company (RISCO) program documentation
InsuResilience Global Partnership, publications on parametric climate and disaster risk insurance for climate-vulnerable countries

DAMAGE FUNCTION (in coastal and nature-based risk assessment)

Definition. A quantified relationship, used in catastrophe modeling and hazard risk assessment, among ecosystem or asset condition, hazard intensity, exposure, and expected loss, that translates a physical hazard event of a given severity into an estimated magnitude of damage. In coastal nature-based solutions, a damage function is what converts a general claim that an ecosystem provides protection into a site-specific, underwritable estimate of avoided loss for a defined hazard, belt width, vegetation condition, and exposed-asset profile.

Examples.

(i) What it is

a modeled curve or equation specifying how expected property or infrastructure loss changes as storm-surge height, wind speed, or wave energy increases, calibrated to local bathymetry, ecosystem condition, and asset exposure
the technical object that must specify its counterfactual, meaning the loss that would occur without the ecosystem present, and quantify its own uncertainty, before an “avoided loss” claim can be treated as underwritable rather than narrative

(ii) What it is not

a single global coefficient that can be applied uniformly to any hectare of mangrove or reef, since performance depends on belt width, vegetation density, bathymetry, and storm characteristics that vary by site
a substitute for a full risk assessment, since a damage function addresses only the hazard-to-loss link and must still be combined with exposure and vulnerability data specific to the assets at risk

Rationale. The damage function is the technical link the Coastal Protection long-form identifies as the difference between a credible, hazard-specific financing case and an inflated global-benefit claim: global estimates of mangrove- or reef-averted damage establish that the economic value is real but cannot be locally monetized without a site-specific damage function. Its absence is why “avoided loss” so often remains a narrative rather than a proposition an underwriter or a public investment appraisal can rely upon, which links this entry directly to the practice's insistence, expressed through Nature in Climate-Risk Underwriting and Parametric Insurance, that an insurer or a treasury can only price what its own risk model can read.

References.

THE MIGRATING CONSTRAINT (ANALYTICAL FRAMING)

Definition. The migrating constraint is the brand’s analytical device for reading the climate-and-nature finance field over time: at any moment one binding constraint holds back the flow of integrated capital, and as each constraint is eased the binding one moves — down the finance stack from legitimacy to assurance to measurement to the accounting-and-standards base layer, and then across to demand and, most recently, to governance and integration. The framing treats the field’s progress not as steady acceleration but as the successive relocation of the single bottleneck that most limits disbursement.

Examples.

(i) What it is

a reading in which the scarce factor shifts from whether nature finance is legitimate, to whether claims can be assured, to whether outcomes can be measured, to whether the accounting rails exist, to whether a buyer exists, to whether climate and nature will be governed and budgeted as one system
a diagnostic that locates where a given week’s development sits on that track and therefore what the next binding constraint will be

(ii) What it is not

a claim that earlier constraints are permanently solved (a constraint can bind again if standards or demand regress)
a linear maturity model with fixed stages
a substitute for project-level analysis, since the constraint binding a specific project may differ from the one binding the field

Rationale. The migrating constraint is the throughline the brand’s weekly briefing has tracked across its first five issues, and naming it lets the practice state precisely what changed in a given week and what to watch next rather than treating each development as isolated news. Its practical value is anticipatory: a practitioner who can see the constraint about to move can position ahead of it, which is the same logic that places the highest-leverage work inside the codification layer, where the rules governing the next binding constraint are written.

References.

NbS Praxis, “The Climate-Nature Nexus in Practice,” Weekly Briefing Nos. 1–5 (June 2026), where the framing was developed issue by issue
the institutional milestones the framing maps include the Taskforce on Nature-related Financial Disclosures final framework (2023), the System of Environmental-Economic Accounting—Ecosystem Accounting (SEEA EA, 2021), and the UNEP FI Global Roundtable on Sustainable Finance (2026). This is the brand’s own analytical framing, offered as an editorial lens rather than an externally standardized term

THE ECONOMIC-VALUE STACK VS. THE CONTRACTED FINANCING STACK (ANALYTICAL FRAMING)

Definition. The practitioner discipline of separating everything a nature-based intervention is economically worth, avoided losses, carbon value, biodiversity value, livelihood value, and general welfare, from the narrower set of cash flows and risk-bearing instruments a project can rely upon because they are legally contracted, budgeted, or appropriated. The economic-value stack answers the question of how much an ecosystem is worth in aggregate; the contracted financing stack answers the narrower and decisive question of which of those values a specific, named payer is legally obligated to pay, to whom, and under what performance conditions.

Examples.

(i) What it is

recognizing that a global estimate such as USD 65 billion in mangrove-averted property damage is a real figure in the economic-value stack but is not, by itself, a cash pool that can service project debt, because no single payer is obligated to remit any part of it to a specific project
building a financing case only after a beneficiary, a payment basis, a legal authority, and a performance metric have been identified, at which point a portion of economic value converts into a contracted, bankable cash flow

(ii) What it is not

a claim that economic value is fictitious or unimportant, since the economic-value stack is what justifies public investment, grant funding, and policy attention in the first place
a one-time distinction, since the same project can add tiers to its contracted financing stack over time as new payers, such as a coastal-management trust or a parametric-insurance premium, are brought under contract

Rationale. This distinction is the organizing discipline of the Coastal Protection long-form and names, in reusable language, a failure mode that recurs across the practice's advisory and toolkit work: conflating an ecosystem's total economic value with its bankability, which produces the appearance of a financeable project without the underlying contracts. It sharpens the practice's existing insistence, carried since the Measurement Failure and Integrated Claim framings, that headline valuation figures and disbursable finance are different categories that must not be quoted as if interchangeable.

References.

Original to NbS Praxis editorial voice (Coastal Protection long-form, “Coastal Protection that Appreciates,” July 2026). The underlying distinction between economic and financial project analysis draws on standard multilateral development bank practice, as codified in Asian Development Bank, Guidelines for the Economic Analysis of Projects (2017), and World Bank project economic and financial analysis guidance

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Part Six

Urban Nature-Based Solutions Terms

Terms specific to nature-based solutions at the city scale, surfaced through the Medellín inaugural long-form and the comparator-city analysis that supports it. These terms describe the operational vocabulary of urban climate-and-nature integration, in which heat, water, and biodiversity are addressed as one designed package rather than as separate agendas.

URBAN HEAT ISLAND (UHI)

Definition. The tendency of built-up areas to be warmer than their surrounding countryside, because hard, dark surfaces absorb and re-radiate heat, vegetation and its cooling evapotranspiration are scarce, and waste heat from buildings, vehicles, and industry accumulates. The effect is strongest at night and intensifies during heatwaves.

Examples.

(i) What it is

the several-degree temperature difference between a dense, paved district and a vegetated periphery
the condition that urban tree canopy, green corridors, and blue-green infrastructure are designed to mitigate

(ii) What it is not

the same as global warming, though the two compound dangerously
the urban heat island is a local, land-surface phenomenon that city design can reduce even as background temperatures rise

Rationale. The urban heat island is the problem statement behind much of urban NbS, and the Medellín piece turns on it: the city's green corridors are credited with a roughly 2°C average and up to 10°C localized cooling, figures the brand treats with explicit provenance discipline against the independent benchmark of Iungman et al.'s estimate of about 0.4°C cooling from lifting tree cover to 30% across European cities.

References.

GREEN CORRIDOR (COOL CORRIDOR)

Definition. A connected, linear network of street trees, planted medians, and vegetated stream banks running through a city, designed to lower temperatures, reconnect fragmented habitat, and provide shaded active-travel routes. The cool-corridor framing emphasizes the heat-mitigation function; the green-corridor framing emphasizes ecological connectivity. Both describe the same asset class.

Examples.

(i) What it is

Medellín's Corredores Verdes, a network of roughly thirty interconnected avenue and stream corridors planted with hundreds of thousands of trees and smaller plants and maintained by a trained workforce drawn from low-income communities

(ii) What it is not

a single park or a one-off street-tree planting
the defining features are connectivity and the maintenance financing that keeps the network functioning beyond its first political cycle

Rationale. The green corridor is the signature urban NbS asset of the brand's inaugural long-form, and it carries both signature analytical moves: the measurement-failure discipline applied to its cooling figures, and permanence as the binding constraint, since the most common failure mode is operational neglect five to ten years in rather than capital cost. It is also the clearest illustration of integrated primary outcomes at city scale, with heat, biodiversity, public health, and mobility delivered by one intervention.

References.

SPONGE CITY

Definition. An urban water-management approach, codified as national policy in China, that uses permeable surfaces, wetlands, bioswales, retention ponds, and green roofs to absorb, store, and slowly release rainfall, so that the city behaves like a sponge rather than shedding water through pipes. The aim is to reduce flooding, recharge groundwater, and improve water quality while delivering green amenity.

Examples.

(i) What it is

Wuhan and the other pilot cities under China's national Sponge City Programme, where large public investment retrofits districts to capture a defined share of annual rainfall on site

(ii) What it is not

a model that transfers cheaply
the brand's comparator analysis treats the sponge city as a case of programmatic scaling that depends on a multi-billion-dollar institutional precondition most cities cannot replicate

Rationale. The sponge city is one of the six comparator cases the Medellín piece uses to isolate a single transferable lesson — here, the limits of programmatic scaling without commensurate fiscal capacity. It anchors the brand's insistence that urban NbS lessons are conditional on institutional preconditions rather than universally portable.

References.

CLOUDBURST MANAGEMENT

Definition. The planned management of extreme, short-duration rainfall in cities through a deliberate combination of grey infrastructure (pipes, tunnels) and blue-green infrastructure (retention squares, daylighted channels, parks designed to flood safely), so that water has a designed place to go when drainage capacity is exceeded. The approach treats surface flooding as a design parameter rather than a failure.

Examples.

(i) What it is

Copenhagen's Cloudburst Management Plan, developed after the 2011 deluge, which routes extreme runoff through streets and multifunctional public spaces engineered to hold water temporarily
New York's hybrid cloudburst program combining grey and green at scale

(ii) What it is not

routine stormwater drainage sized for ordinary rain
cloudburst management is specifically about the rare, high-intensity event that conventional pipes cannot carry

Rationale. Cloudburst management is the comparator case that demonstrates utility-grade planning and a financing model for extreme-rainfall resilience, and it reinforces the brand's argument that bankable urban NbS is long-horizon risk engineering rather than a tidy issuance story. It also shows multifunctional public space — water squares that are plazas on dry days and basins in a storm — as a way to extract several outcomes from one capital outlay.

References.

Related terms. Sponge City; Blue-Green Infrastructure; Green Bond.

BLUE-GREEN INFRASTRUCTURE

Definition. The planned network of water elements (blue) and vegetation (green) — wetlands, bioswales, rain gardens, green roofs, urban forests, daylighted streams — used together to deliver stormwater management, cooling, biodiversity, and amenity as an alternative or complement to conventional grey infrastructure. The term emphasizes that water and vegetation are engineered as one integrated system.

Examples.

(i) What it is

Singapore's Active, Beautiful, Clean Waters (ABC Waters) programme, whose design guidelines codify blue-green features so they can be procured predictably
the underlying asset category beneath green corridors, sponge cities, and cloudburst schemes

(ii) What it is not

ornamental landscaping added after the engineering is fixed
blue-green infrastructure is functional infrastructure whose hydrological and thermal performance is designed and, ideally, monitored

Rationale. Blue-green infrastructure is the umbrella asset class beneath the brand's urban NbS vocabulary, and Singapore's ABC Waters guidelines are the reference case for codification — the standardization that lets a city procure these assets reliably rather than as bespoke pilots. Codified design standards are, in the brand's framing, what move blue-green infrastructure from pilot to platform.

References.

GREEN GENTRIFICATION

Definition. Green gentrification is the process by which urban environmental improvement, such as a new park, greenway, or green corridor, raises the amenity and therefore the rents and property values of a neighborhood, attracting wealthier residents and displacing the lower-income residents and communities of color the greening was often meant to serve. It names the distributional paradox that an environmentally positive intervention can be socially regressive.

Examples.

(i) What it is

the rent and price increases that follow high-profile greenway investments and price out incumbent residents
the documented risk that green investment routed into lower-income districts triggers the very displacement it sought to remedy

(ii) What it is not

an inevitability, since equity-oriented policy such as secured tenure, municipal land ownership, or land value capture recycled into the host community can blunt or prevent it
and it is not an argument against urban greening, but an argument for designing greening so that its benefits are retained by existing residents

Rationale. Green gentrification is the principal social risk attached to the brand's urban nature work and the failure mode that the concept of resilient equity is meant to guard against. It is why the Medellín long-form treats the question of whether corridor investment displaced residents as the hinge of its equity argument, and why it insists that an equity gain is only secure when built into structure rather than left to a responsive design.

References.

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A living reference

This glossary is updated every month as new terms enter the practice. Spotted an error, or want to propose a term or an edit? Comments and suggestions are welcome — join the discussion in the Glossary Post to propose edits, examples, or simply comments and remarks. Get in touch at glossary@nbspraxis.com.

How to Use This Glossary

Index

A

B

C

D

E

F

G

I

K

L

M

N

P

R

S

T

U

V

Core Framing Terms

CLIMATE-AND-NATURE NEXUS

NATURE-BASED SOLUTIONS (NbS)

ECOSYSTEM-BASED ADAPTATION (EbA)

ECOSYSTEM-BASED APPROACHES

NATURAL AND NATURE-BASED FEATURES (NNBF)

BLUE CARBON

PERMANENCE (in carbon accounting and NbS finance)

CODIFICATION LAYER

INTEGRATED PRIMARY OUTCOMES

CLIMATE OVERSHOOT

NATURE-POSITIVE

NATURAL CAPITAL ACCOUNTING (NCA)

IPSAS 51 (TANGIBLE NATURAL RESOURCES HELD FOR CONSERVATION)

KUNMING-MONTREAL GLOBAL BIODIVERSITY FRAMEWORK (KMGBF)

Climate-and-Nature Finance Institutions

GREEN CLIMATE FUND (GCF)

GLOBAL ENVIRONMENT FACILITY (GEF)

ADAPTATION FUND

GLOBAL BIODIVERSITY FRAMEWORK FUND (GBF FUND)

TASKFORCE ON NATURE-RELATED FINANCIAL DISCLOSURES (TNFD)

UNEP FINANCE INITIATIVE (UNEP FI)

INTERNATIONAL SUSTAINABILITY STANDARDS BOARD (ISSB)

Project Preparation Terms

NATIONAL DESIGNATED AUTHORITY (NDA)

ACCREDITED ENTITY (AE)

CONCEPT NOTE (CN)

THEORY OF CHANGE (ToC)

MEASUREMENT, REPORTING, AND VERIFICATION (MRV)

ADDITIONALITY

FREE, PRIOR, AND INFORMED CONSENT (FPIC)

LEAKAGE (in carbon accounting and NbS)

ARTICLE 6 (PARIS AGREEMENT COOPERATIVE APPROACHES)

VALIDATION AND VERIFICATION BODY (VVB)

REDD+ (REDUCING EMISSIONS FROM DEFORESTATION AND FOREST DEGRADATION)

BENEFIT-SHARING (in REDD+ and NbS finance)

ASEAN-Specific and Regional Terms

ASEAN CATALYTIC GREEN FINANCE FACILITY (ACGF)

ASEAN TAXONOMY FOR SUSTAINABLE FINANCE

Strategic and Operational Terms

NATIONALLY DETERMINED CONTRIBUTION (NDC)

NATIONAL ADAPTATION PLAN (NAP)

NATIONAL BIODIVERSITY STRATEGY AND ACTION PLAN (NBSAP)

CLIMATE-AND-NATURE CO-BENEFITS

PRACTITIONER JUDGMENT

NEW COLLECTIVE QUANTIFIED GOAL (NCQG)

DEBT-FOR-NATURE SWAP

BLENDED FINANCE (MULTI-TIERED)

CONTRIBUTION CLAIM (vs OFFSET CLAIM)

MEASUREMENT FAILURE (ANALYTICAL FRAMING)

GREEN BOND

LAND VALUE CAPTURE (LVC)

RESILIENT EQUITY (EQUITABLE RESILIENCE)

RESULTS-BASED PAYMENTS (RBP)

GREENWASHING

PAYMENT FOR ECOSYSTEM SERVICES (PES)

THE INTEGRATED CLAIM (ONE PROJECT, ONE ACCOUNT)

NATURE IN CLIMATE-RISK UNDERWRITING (RESILIENCE UNDERWRITING)

PARAMETRIC INSURANCE (FOR NATURE-BASED RISK TRANSFER)

DAMAGE FUNCTION (in coastal and nature-based risk assessment)