The document discusses the inadequacy of current climate investment levels to limit global temperature increases to 2°C, emphasizing that $5-6 trillion is needed for the energy sector alone by 2020. It highlights the critical role of philanthropy in addressing climate finance gaps by acting as a catalyst for innovation and policy change while navigating the barriers to private sector investment. The Children’s Investment Fund Foundation aims to support large-scale decarbonization efforts, advocating for a systemic change rather than incremental improvements.