Climate change will shrink the economies of rich, poor, hot and cold countries alike, and will make it more difficult and more expensive to raise the finance needed to decarbonise in the future. This column, which originally appeared on The Conversation website, argues that the cost of early action is far cheaper than the cost of delayed action. Mobilising climate finance is a win-win for both the developed and developing economies.
Enthusiasm for ‘greening the financial system’ is welcome, but does the explosion of ‘green’ finance indicators reflect the science? This column reports research that uses artificial intelligence to construct the world’s first ‘climate smart’ sovereign credit rating. The results warn of climate-driven downgrades as early as 2030.