Author of the first book about global warming, 1989’s The End of Nature, McKibben also founded 350.org, the biggest grassroots climate campaign in the world. His latest book, Falter, a New York Times bestseller, offers a “call-to-arms” 30 years after his first book set the stage. The author of fifteen books, The Boston Globe called McKibben “probably America’s most important environmentalist.”

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