Principles on Enhanced Climate Finance Effectiveness: A Provider-Level Framework for Systemic Reform of International Climate Finance

International climate finance is not delivering as much as it could. With climate needs in lower- and middle-income countries rising and public budgets under strain, providers need to get more value from every dollar spent and recipients need tangible on-the-ground impacts. This paper sets out twelve principles which, if adopted, would help senior decision makers and strategy teams in provider governments and public finance institutions achieve a much more effective climate finance system. The twelve principles are set out across three blocks: (1) allocation, or targeting scarce concessional finance where needs and additionality are greatest and making it work alongside other sources; (2) system optimisation, or coordinating within and between governments to cut duplication, improve efficiency, and maximise potential synergies; and (3) impact, or setting appropriate targets and building a shared evidence base to inform future allocation and track transformational change. Together, these principles form a single, practical framework applicable across all providers, reflecting a mixture of good practices already undertaken by some, as well as proposals addressing system-wide shortfalls. The annex sets out underlying evidence, maps existing initiatives and compiles practical examples from across providers, offering a resource for teams putting the principles into practice.