Biodiversity credits vs carbon credits vs ecosystem service payments

Why It Matters

The global biodiversity financing gap stands at roughly $700 billion per year, yet the voluntary biodiversity credit market generated only an estimated $12 million in transactions during 2024 (World Economic Forum, 2025). By contrast, the voluntary carbon market moved approximately $723 million in the same period (Ecosystem Marketplace, 2025), while payments for ecosystem services channeled an estimated $50 billion annually through government programs alone (OECD, 2024). These three instruments represent fundamentally different approaches to channeling capital toward nature, each with distinct pricing mechanisms, verification architectures, and regulatory trajectories. As frameworks like the Taskforce on Nature-related Financial Disclosures (TNFD) and the EU Biodiversity Strategy push corporations to disclose and address nature dependencies, choosing the right instrument is no longer optional. Organizations that understand how biodiversity credits, carbon credits, and ecosystem service payments compare can allocate capital more effectively, reduce greenwashing risk, and build credible nature-positive strategies.

Key Concepts

Biodiversity credits represent a measurable unit of biodiversity gain, typically tied to verified habitat restoration, species recovery, or ecosystem uplift. Unlike offsets, most biodiversity credits are designed as contributions to nature recovery rather than compensation for damage elsewhere. Verification relies on ecological baselines, species surveys, and habitat condition metrics. The International Advisory Panel on Biodiversity Credits (IAPB), convened by France and the UK, published its initial framework in late 2024, proposing standardized measurement approaches centered on species abundance, ecosystem integrity, and community benefit sharing.

Carbon credits represent one metric tonne of CO2 equivalent either avoided or removed from the atmosphere. The market is more mature, with registries such as Verra, Gold Standard, and the American Carbon Registry providing standardized methodologies. Verification uses established greenhouse gas accounting protocols, satellite monitoring, and increasingly digital MRV (measurement, reporting, and verification) platforms.

Ecosystem service payments (PES) are financial transfers from beneficiaries of ecosystem services to the stewards who maintain them. These range from Costa Rica's Pagos por Servicios Ambientales program to watershed protection payments by municipal water utilities. PES programs are typically government-administered or bilateral contracts, often operating outside market registries entirely.

The critical difference lies in what is being measured: carbon credits track a single commodity (tonnes of CO2e), biodiversity credits attempt to capture multidimensional ecological gains, and PES programs compensate for specific services like water filtration, pollination, or flood regulation.

Head-to-Head Comparison

Measurement complexity. Carbon credits benefit from a single, universally understood metric: tonnes of CO2e. Biodiversity credits face the challenge of quantifying ecological health across multiple dimensions. Wallacea Trust and Verra's SD VISta framework use composite indices combining species richness, habitat connectivity, and ecosystem function, but no single global standard has yet emerged. PES measurement varies by contract: watershed payments may track sediment load reductions, while pollination PES might monitor bee colony density.

Pricing. Carbon credit spot prices ranged from $2 to $180 per tonne in 2025, depending on quality and type. Nature-based avoidance credits averaged around $5 to $15, while durable engineered removals commanded $100 to $180 (Sylvera, 2025). Biodiversity credit prices varied from $5 to $50 per unit in pilot transactions, with Wallacea Trust credits averaging $27 per unit in 2025 (Wallacea Trust, 2025). PES payment rates are highly context-dependent, ranging from $5 per hectare per year for basic conservation easements in developing countries to over $500 per hectare per year for watershed protection near major urban centers (OECD, 2024).

Verification timeline. Carbon credit issuance typically takes 12 to 36 months from project registration to first credit delivery, though digital MRV is compressing this to 6 to 12 months for some project types. Biodiversity credit verification requires multi-year ecological monitoring to demonstrate measurable uplift. Plan Vivo projects targeting biodiversity outcomes, for example, require a minimum of three years of baseline data before credit issuance begins. PES verification depends on contract design but often uses annual compliance checks tied to land management practices rather than measured outcomes.

Regulatory recognition. Carbon credits enjoy the most mature regulatory landscape, with CORSIA, Article 6 of the Paris Agreement, and national emissions trading systems providing demand signals. Biodiversity credits currently lack comparable regulatory mandates, though the EU Nature Restoration Law (adopted 2024) and TNFD reporting recommendations are creating policy pathways that may eventually drive compliance demand. PES programs are typically embedded in national legislation, giving them strong domestic legal standing but limited cross-border transferability.

Buyer demand. Carbon credit demand is driven by corporate net-zero commitments and compliance obligations, with over 4,000 companies holding Science Based Targets as of early 2026 (SBTi, 2026). Biodiversity credit demand is nascent but growing: the World Economic Forum's Biodiversity Credit Market initiative reported 35 pilot buyers in 2025, up from 8 in 2023 (WEF, 2025). PES demand is stable but geographically concentrated, with Latin America, Europe, and parts of Southeast Asia hosting most programs.

Cost Analysis

Setting up a carbon credit project costs between $50,000 and $500,000 depending on methodology, geography, and scale, with ongoing MRV costs of $15,000 to $100,000 annually. Biodiversity credit projects face higher upfront costs due to ecological baseline surveys, which can run $80,000 to $300,000 depending on site complexity and species diversity. Ongoing monitoring for biodiversity credits typically costs 30% to 50% more than equivalent carbon MRV because it requires trained ecologists and multi-taxa surveys rather than remote sensing alone (IAPB, 2024).

For buyers, transaction costs also differ. Carbon credits can be purchased through liquid exchanges and brokers with minimal due diligence overhead for standard-rated credits. Biodiversity credits currently require bespoke negotiations and site-level due diligence, adding 10% to 25% to procurement costs. PES contracts involve legal structuring, stakeholder engagement, and often multi-year commitment periods, making total transaction costs higher per dollar deployed but offering greater customization to specific landscape outcomes.

The return profile differs as well. Carbon credits provide a quantifiable compliance or reputational asset. Biodiversity credits deliver nature-positive claims that align with TNFD disclosures but currently lack the liquid secondary market that would enable mark-to-market valuation. PES programs generate continuous ecosystem service flows but rarely produce tradable assets.

Use Cases and Best Fit

Carbon credits are best suited for organizations with quantified emissions reduction targets seeking to compensate residual emissions. Companies such as Microsoft have committed over $1 billion in carbon removal purchases through 2030, using long-term offtake agreements with providers like Climeworks and Heirloom Carbon (Microsoft, 2025). This instrument works well when the primary goal is demonstrating progress toward net-zero under recognized frameworks.

Biodiversity credits are emerging as the instrument of choice for companies with site-specific or supply-chain-linked nature impacts. Kering, the luxury goods group, purchased biodiversity credits from the Wallacea Trust in 2025 to support habitat restoration in Indonesia's Sulawesi lowland rainforest, aligning with its biodiversity strategy disclosed under TNFD (Kering, 2025). This instrument fits organizations needing to demonstrate nature-positive commitments beyond carbon.

Ecosystem service payments are optimal for utilities, municipalities, and agricultural supply chains that depend directly on specific ecosystem functions. New York City's watershed protection program has invested over $2 billion since the 1990s in upstream land management, avoiding $10 billion in water treatment infrastructure costs (NYC DEP, 2024). Nestlé uses PES-style contracts with dairy farmers in its supply chain to incentivize watershed protection and soil health practices. PES is the strongest choice when the buyer has a direct, measurable dependency on a particular ecosystem service.

Decision Framework

1. Define your nature-related objective. If the goal is emissions compensation, carbon credits are the proven instrument. If the goal is demonstrating measurable biodiversity gain, biodiversity credits are the appropriate choice. If the goal is securing a specific ecosystem service your operations depend on, PES is the best fit.

2. Assess regulatory exposure. Organizations facing CSRD, TNFD, or EU Taxonomy reporting requirements will increasingly need to document biodiversity impacts alongside carbon. Carbon credits alone will not satisfy emerging nature-related disclosure expectations.

3. Evaluate measurement maturity. Carbon offers standardized, auditable metrics. Biodiversity metrics are rapidly developing but still fragmented. PES metrics are typically customized per contract. Match your internal capacity for monitoring and reporting to the instrument's requirements.

4. Consider time horizon. Carbon credits can be purchased and retired within weeks. Biodiversity credits require multi-year project engagement. PES contracts typically span 5 to 20 years. Align instrument selection with your strategic planning cycle.

5. Budget for verification. If ecological monitoring capacity is limited, start with carbon credits and layer in biodiversity co-benefit certifications (such as Verra's CCB Standards). As internal capacity grows, move toward dedicated biodiversity credits or PES.

6. Stack instruments where possible. Leading practice combines carbon credits for residual emissions with biodiversity credits or PES for nature-positive commitments, creating a portfolio approach that addresses both climate and biodiversity targets.

Key Players

Established Leaders

• Verra — Operates the Verified Carbon Standard and SD VISta biodiversity framework. Over 2,000 registered carbon projects and growing biodiversity pipeline.
• Gold Standard — Premium carbon registry requiring SDG co-benefits, including biodiversity metrics in select methodologies.
• Plan Vivo — Pioneering community-based ecosystem service credits since 1994. Operates in 30+ countries with integrated biodiversity and carbon approaches.
• IUCN — Provides scientific guidance on biodiversity metrics and hosts the Global Standard for Nature-based Solutions.

Emerging Startups

• Wallacea Trust — Issues biodiversity credits based on measurable species and habitat outcomes in tropical ecosystems. Active in Indonesia and expanding to Africa.
• ValueNature — Develops biodiversity credit methodologies with focus on marine and coastal ecosystems.
• Single.Earth — Technology platform tokenizing ecosystem services including carbon sequestration and biodiversity using satellite monitoring and AI.
• Regen Network — Blockchain-based ecological credit platform supporting both carbon and biodiversity claims with transparent on-chain verification.

Key Investors/Funders

• Bezos Earth Fund — Committed $10 billion to climate and nature, including biodiversity credit market development.
• HSBC Pollination Climate Asset Management — Natural capital investment fund deploying $1 billion across carbon and biodiversity projects.
• Mirova Natural Capital — Manages $350 million in nature-based investment strategies integrating PES and carbon returns.

FAQ

Can biodiversity credits replace carbon credits? No. These instruments serve different purposes. Carbon credits quantify greenhouse gas reductions or removals, while biodiversity credits measure ecological uplift. A company cannot retire biodiversity credits against emissions targets, nor can carbon credits alone satisfy emerging biodiversity disclosure requirements. The most robust strategy uses both instruments in a portfolio approach.

Are biodiversity credits regulated? Not yet in the same way as compliance carbon markets. However, the IAPB framework published in 2024 provides voluntary guidance, and the EU Nature Restoration Law creates reporting incentives that may eventually drive demand. Several countries, including the UK, Australia, and Colombia, are developing domestic biodiversity credit frameworks that could introduce regulatory recognition within the next two to three years.

How do PES programs differ from credit markets? PES programs are typically bilateral or government-administered contracts between ecosystem service providers and beneficiaries. They do not usually generate tradable credits and are not listed on registries. Their strength lies in long-term, relationship-based conservation finance tied to specific landscapes and services. Credit markets, by contrast, create fungible units that can be traded, retired, or banked.

Which instrument offers the best return on investment? It depends on the buyer's objectives. Carbon credits offer the clearest compliance and reputational value per dollar spent. PES programs deliver the highest ecosystem service value when the buyer directly depends on the services being maintained. Biodiversity credits currently carry higher transaction costs but provide differentiated claims that will grow in value as TNFD adoption increases.

What is the risk of greenwashing with each instrument? Carbon credits face the most scrutiny, with high-profile investigations into over-crediting in REDD+ projects. Biodiversity credits are newer and have less precedent for reputational risk, but weak methodologies could undermine credibility quickly. PES programs carry lower greenwashing risk because they are typically tied to measurable land management practices and long-term contracts with direct accountability.

Sources

• World Economic Forum. (2025). Biodiversity Credits: A Guide to Scaling Nature Finance. WEF, Geneva.
• Ecosystem Marketplace. (2025). State of the Voluntary Carbon Markets 2025. Forest Trends, Washington, DC.
• OECD. (2024). Tracking Economic Instruments and Finance for Biodiversity 2024. OECD Publishing, Paris.
• International Advisory Panel on Biodiversity Credits. (2024). Framework for High-Integrity Biodiversity Credit Markets. IAPB Secretariat.
• Sylvera. (2025). Voluntary Carbon Market Price Tracker: Year-End 2025 Report. Sylvera, London.
• Wallacea Trust. (2025). Biodiversity Credit Issuance Report: Sulawesi Lowland Rainforest Programme. Wallacea Trust.
• SBTi. (2026). Science Based Targets Progress Report: Corporate Adoption Trends. Science Based Targets initiative.
• Microsoft. (2025). Carbon Removal Portfolio: 2025 Annual Update. Microsoft Corporation, Redmond, WA.
• NYC DEP. (2024). Watershed Protection Program: 30-Year Impact Assessment. New York City Department of Environmental Protection.
• Kering. (2025). Biodiversity Strategy and TNFD Disclosure Report. Kering Group, Paris.