As the world grapples with the consequences of climate change, the need for climate finance is more urgent than ever. This article explores the crucial role of multilateral development banks in funding climate adaptation and mitigation projects in developing countries, highlighting the challenges and opportunities associated with this critical endeavor. It examines the debate on the balance between supporting renewable energy and phasing out fossil fuels, the potential for increased funding from developed countries, and the importance of ensuring that climate finance actually leads to a greener future.