The article discusses the economic benefits of phasing out coal and the need for public funds to finance the transition to renewable energy. It estimates that the global net benefit of phasing out coal is $77.89 trillion, and that investment costs for the developed world to cover climate financing needs would be in the range of 0.5% to 3.5% of GDP. The article argues that there is a clear economic rationale for advanced economies to provide climate financing that accelerates the coal phase out internationally.