President Trump has rapidly pulled the U.S. out of the fight against climate change, fired scientists, rolled back regulations and gutted the nation’s largest-ever law to address climate change. That has left climate activists reeling. Abigail Dillen, president of Earthjustice; Manish Bapna, president of the Natural Resources Defense Council; and Bill McKibben, an author and activist, talk with Cara Buckley about what has worked — and failed — in the climate movement.

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