Climate finance, as tracked by the Organisation for Economic Co-operation and Development (OECD), refers to financial resources devoted to addressing climate change. It plays a crucial role in achieving the goals outlined in the Paris Agreement, supporting both mitigation (reducing greenhouse gas emissions) and adaptation (building resilience to climate impacts) in developing countries. The OECD meticulously monitors and reports on climate finance flows from developed to developing countries, providing transparency and accountability in this critical area. The OECD’s methodology focuses on tracking climate-specific financial flows. This means the finance must be directly linked to activities that demonstrably contribute to mitigating or adapting to climate change. It includes public climate finance (bilateral and multilateral) from developed countries, as well as private climate finance mobilized by public interventions. The OECD uses a common set of definitions and reporting guidelines to ensure consistency and comparability across different sources and recipients. Key aspects of OECD’s climate finance tracking include: * **Sources of Finance:** The main contributors are developed countries’ governments, multilateral development banks (MDBs), and other financial institutions. Private sector contributions mobilized through public interventions are also tracked. * **Instruments:** Climate finance is provided through various instruments, including grants, concessional loans, equity investments, and guarantees. Grants are particularly valuable for adaptation projects in vulnerable countries. * **Sectors:** Finance is allocated across various sectors, including renewable energy, energy efficiency, sustainable transport, forestry, agriculture, water resources, and disaster risk reduction. * **Geographic Distribution:** The OECD tracks the geographical allocation of climate finance, providing insights into which developing countries are receiving support and for what purposes. The OECD’s data reveals important trends and challenges. While climate finance flows have been increasing, there’s still a significant gap between the finance provided and the needs of developing countries. Meeting the goal of mobilizing $100 billion per year from developed to developing countries remains a critical objective. Furthermore, ensuring that finance effectively supports adaptation efforts, particularly for the most vulnerable communities, is essential. The quality of finance, including its concessionality and alignment with national development priorities, also matters. The OECD’s ongoing work on climate finance includes improving data quality and transparency, developing methodologies for tracking private climate finance more effectively, and enhancing the understanding of the impact of climate finance on development outcomes. By providing reliable and comprehensive data, the OECD supports informed decision-making by policymakers, investors, and civil society organizations, contributing to more effective and equitable climate action.