Climate Finance and Climate Justice

Introduction

Climate finance refers to financial resources used to support climate change mitigation and adaptation. It can fund renewable energy, energy efficiency, resilient infrastructure, early warning systems, ecosystem restoration, disaster preparedness, and other measures that reduce climate risks.

Climate finance is also a major issue in international relations because countries differ in their historical emissions, current economic resources, development needs, and exposure to climate impacts. Negotiations therefore involve not only how much funding is required, but also who should provide it, who should receive it, how it should be delivered, and whether it should take the form of grants, loans, guarantees, or private investment.

Climate justice addresses the fairness of climate responsibilities and consequences. It considers how climate change affects different populations, how benefits and costs are distributed, and whether vulnerable communities have meaningful access to decision-making and support.

At COP29 in 2024, parties agreed on a New Collective Quantified Goal on Climate Finance. The agreement called for developed countries to take the lead in mobilizing at least USD 300 billion annually for developing countries by 2035, alongside a broader call for all actors to scale up financing from all public and private sources to at least USD 1.3 trillion per year by 2035. These figures represent distinct elements of the agreed finance framework, not identical funding commitments. <Cite refs={[“turn680886search10″,”turn680886search1”]}/>

Core Concepts

Climate finance: Financing intended to support mitigation, adaptation, and other recognized climate-related activities.

Climate finance architecture: The institutions, funds, rules, instruments, and processes through which climate finance is raised, allocated, delivered, and monitored.

Climate justice: An approach that considers fairness in climate responsibility, impacts, decision-making, and access to climate action and support.

Climate equity: The principle that climate policies should account for differences in responsibility, capacity, vulnerability, and development needs.

Climate vulnerability: The susceptibility of people, communities, ecosystems, or economies to climate-related harm.

Climate resilience: The capacity to withstand, adapt to, and recover from climate impacts.

Mitigation finance: Funding for activities that reduce greenhouse gas emissions or increase their removal from the atmosphere.

Adaptation finance: Funding for activities that reduce vulnerability to climate impacts and strengthen adaptive capacity.

Loss and damage finance: Funding intended to address harm associated with climate impacts, including losses that cannot be fully avoided through mitigation and adaptation.

Climate investment: The deployment of capital in projects, assets, or activities intended to support climate objectives.

Sources and Forms of Climate Finance

Public climate finance: Funding provided by governments or public institutions, including national budgets and international public funds.

Private climate finance: Financing supplied by private-sector actors such as banks, institutional investors, businesses, and households.

Domestic climate finance: Resources mobilized within a country through public budgets, domestic financial institutions, businesses, and other local sources.

International climate finance: Funding that crosses national borders to support climate-related activities in another country.

Multilateral climate finance: Financing channelled through international institutions or funds supported by multiple countries.

Bilateral climate finance: Climate-related support provided through arrangements between two countries or their agencies.

Grant finance: Funding that does not require repayment, subject to applicable conditions and accountability requirements.

Concessional finance: Financing provided on more favourable terms than comparable market financing.

Non-concessional finance: Financing that does not meet the applicable criteria for concessional terms.

Blended finance: The use of public or philanthropic resources to mobilize additional commercial investment for development or climate objectives.

Guarantee: A commitment to cover specified losses or obligations if particular conditions occur, intended in some contexts to reduce financing risks.

Climate insurance: Insurance designed to cover specified climate-related losses, subject to its terms, coverage, and exclusions.

Contingent financing: Funding that becomes available when specified events or conditions occur, such as a disaster or a financing shortfall.

International Climate Finance Institutions

Green Climate Fund (GCF): A major multilateral climate fund established under the UNFCCC to support developing countries in mitigation and adaptation.

Global Environment Facility (GEF): A multilateral financing mechanism supporting projects addressing global environmental challenges, including climate change and biodiversity.

Adaptation Fund: A fund established to finance concrete adaptation projects and programmes in developing countries, with arrangements shaped by the relevant climate agreements.

Fund for Responding to Loss and Damage: An international fund established under the UNFCCC process to assist developing countries that are particularly vulnerable to the adverse effects of climate change in responding to loss and damage.

Multilateral development banks (MDBs): International financial institutions that provide loans, grants, guarantees, and technical support for development, including climate-related projects.

New Collective Quantified Goal on Climate Finance (NCQG): The climate-finance goal agreed under the UNFCCC at COP29 in 2024, intended to guide climate finance for developing countries beyond the earlier goal.

UNFCCC financial mechanism: Institutional arrangements under the climate convention through which financial resources support implementation, including the GEF and the GCF as operating entities.

Climate Finance Instruments and Measurement

Climate finance commitment: A stated or formal undertaking to provide financing under specified conditions.

Climate finance disbursement: The actual transfer of funds or financing resources.

Mobilized finance: Financing attributed to an intervention or contribution that helps generate additional resources, according to the applicable accounting methodology.

Additionality: The extent to which climate finance generates support or outcomes that would not otherwise have occurred. Its interpretation differs among financing mechanisms.

Concessionality: The degree to which financing terms are more favourable than relevant market terms.

Climate finance tracking: The collection and analysis of information about climate-related financial flows.

Climate finance attribution: The method used to determine what portion of a funding activity or financial flow qualifies as climate finance.

Double counting: Counting the same financial flow, emission reduction, or climate benefit more than once in a reporting or accounting system.

Results-based climate finance: Financing linked to the achievement or verification of specified results.

Climate budget tagging: A public-finance method for identifying and tracking budget allocations related to climate objectives.

Bankability: The degree to which a proposed project is considered capable of attracting financing under relevant financial and risk criteria.

Project pipeline: A set of proposed or developing projects that may be prepared for future financing and implementation.

Climate Justice and International Responsibility

Historical responsibility: The concept that past contributions to cumulative greenhouse gas emissions should be considered when assessing climate obligations and fairness.

Common but differentiated responsibilities and respective capabilities (CBDR-RC): A principle recognizing shared responsibility for global environmental challenges while taking account of different historical contributions and capacities.

Polluter pays principle: The principle that those responsible for pollution should bear appropriate costs of preventing, controlling, or remedying it, subject to applicable legal and policy frameworks.

Intergenerational justice: Fairness between present and future generations in the distribution of climate risks, environmental resources, and opportunities.

Intragenerational justice: Fairness among people and communities living today, including the distribution of climate impacts and support.

Procedural justice: Fairness in the processes through which climate decisions are made, including participation, transparency, and accountability.

Distributive justice: Fairness in the allocation of climate-related costs, benefits, resources, and risks.

Recognition justice: Respect for the rights, identities, knowledge, and circumstances of different communities affected by climate policies and impacts.

Climate colonialism: A critical term used to describe climate-related policies or financing arrangements perceived to reproduce unequal power relationships or impose disproportionate burdens on developing countries. Its application requires attention to the specific evidence and context.

Just transition: An approach that considers workers, communities, and social equity while shifting toward lower-emission and climate-resilient economies.

Loss and Damage

Economic loss and damage: Climate-related harm that can be expressed in monetary terms, such as damaged buildings, lost crops, or destroyed infrastructure.

Non-economic loss and damage: Harm that is difficult to measure solely in financial terms, including loss of cultural heritage, biodiversity, community identity, or human life.

Slow-onset events: Climate-related processes that develop gradually, such as sea-level rise, desertification, glacier retreat, and ocean acidification.

Extreme weather event: An event that is unusual relative to the expected conditions in a particular place and period, such as an intense heatwave, flood, or storm.

Residual climate risk: Risk that remains after reasonable mitigation and adaptation measures have been undertaken.

Disaster recovery finance: Financing that supports the restoration of livelihoods, services, infrastructure, and economic activity after a disaster.

Climate-related displacement finance: Support intended to address the needs of people displaced or otherwise affected by climate-related hazards.

Challenges in Climate Finance

Climate finance gap: The difference between estimated climate-financing needs and the resources available or mobilized.

Access barrier: A rule, procedural requirement, cost, or institutional limitation that prevents eligible recipients from obtaining finance.

Debt burden: The pressure created by existing debt obligations, which can constrain a country’s capacity to finance climate measures.

Adaptation-finance imbalance: A situation in which adaptation receives less funding than needed or less relative attention than mitigation.

Risk perception: How investors and financial institutions assess the probability and consequences of financial losses. Perceived risks may increase financing costs for vulnerable countries.

Currency risk: The possibility that exchange-rate changes raise the domestic-currency cost of foreign-currency financing or repayment.

Climate finance conditionality: Conditions attached to funding, which may concern project design, governance, reporting, procurement, or policy implementation.

Transparency and accountability: Processes that make financing decisions, financial flows, recipients, and outcomes visible and subject to review.

Key Distinctions

Key Terms at a Glance

• Climate finance target: A stated quantitative objective for climate-related funding.
• Adaptation gap: The difference between adaptation needs and action undertaken.
• Mitigation potential: The scope for reducing emissions or increasing removals.
• Climate risk disclosure: Reporting of material climate-related risks and opportunities.
• Green bond: A bond whose proceeds are designated for eligible environmental or climate-related projects under its framework.
• Transition finance: Financing intended to support credible transitions toward lower-emission activities.
• Climate-resilient development: Development that integrates climate resilience with economic and social progress.
• Loss and damage response: Measures addressing climate-related harms, including recovery and support for affected communities.
• Climate finance accountability: Systems for verifying how resources are used and what outcomes they produce.
• Climate finance accessibility: The extent to which eligible recipients can obtain funding without unreasonable barriers.

Related Glossaries

• 8.3 Global Finance and Monetary Relations
• 8.4 Foreign Investment, Aid and Development Finance
• 17.4 Sustainable Development and SDGs
• 17.5 International Aid and Development Cooperation
• 17.6 Debt, Development and Financial Dependency
• 18.1 Climate Change and Global Warming
• 18.2 Climate Security and Climate Diplomacy
• 18.4 Environmental Security and Resource Conflicts
• 18.6 Energy Transition and Renewable Energy

Conclusion

Climate finance is central to international climate cooperation because mitigation, adaptation, and responses to climate-related loss and damage require substantial resources. Climate justice adds questions of responsibility, fairness, access, and accountability. Effective climate finance depends on predictable funding, transparent accounting, appropriate instruments, manageable debt risks, and genuine access for countries and communities that need support.