Putting a Price on Pollution

Extreme weather across Europe, North America and Asia is highlighting a harsh reality of science and history: The world as a whole is neither prepared to slow down climate change nor live with it. European officials are trying to change that. The European Commission, the E.U.’s executive arm, recently introduced ambitious legislation aimed at sharply cutting emissions to slow down climate change within the next decade, specifically by weaning one of the world’s biggest and most polluting economies off fossil fuels. But can it generate the political will to see it through? Guest: Somini Sengupta, the international climate reporter for The New York Times.