David Hart

Clean Energy Innovation: A Way to Crack America’s Frozen Climate Debate?

On Nov. 4, the Paris Climate Agreement will enter into force, less than a year after the final negotiations wrapped up. It commits the nations of the world to keep global average temperatures from rising by more than two degrees Celsius. This goal sounds simple but it implies an extraordinary transformation of the world’s energy system — the end of coal, oil, and natural gas as we use them today — in less than 40 years.