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Bill McKibben is co-founder of Third Act, which mobilizes people over 60 for action on climate and justice. He’s the author of The End of Nature and 20 other books, and has received numerous honors, including the Right Livelihood Award and Gandhi Peace Prize.
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Books by Bill

Bill has been writing books for 35 years. His work covers global warming, communities, genetic engineering, and family.
2025

Here Comes the Sun

From the acclaimed environmentalist, a call to harness the power of the sun and rewrite our scientific, economic, and political future. Our climate, and our democracy, are melting down. But…
Book cover for The Flag, the Cross, and the Station Wagon by Bill McKibben
2022

The Flag, the Cross, and the Station Wagon

Like so many of us, McKibben grew up believing—knowing—that the United States was the greatest country on earth. As a teenager, he cheerfully led American Revolution tours in Lexington, Massachusetts.…
2019

Falter

Bill McKibben's groundbreaking book The End of Nature -- issued in dozens of languages and long regarded as a classic -- was the first book to alert us to global warming. But…
2017

Radio Free Vermont

“I hope no one secedes, but I also hope that Americans figure out creative ways to resist injustice and create communities where everybody counts. We’ve got a long history of…

Initiatives

Bill McKibben has collaborated with folks in founding initiatives like 350.org, Third Act, and Sun Day—community-driven efforts aimed at tackling the climate crisis through organizing, advocacy, and collective action.
Sun Day
Sun Day

Sun Day is a creative climate project that celebrates solar energy through art, storytelling, and public engagement. It uses culture to shift perception, making clean energy personal and hopeful—sparking imagination and joy around the transition to a solar-powered future.

Third Act
Third Act

Third Act is a movement of experienced Americans over 60 who bring their collective power to the climate and democracy fights. Founded by Bill McKibben, it mobilizes elders for action, combining wisdom, skills, and resources to protect the planet and future generations.

350.org
350.org

350.org is an international climate justice organization co-founded by Bill McKibben. It supports grassroots movements around the world, campaigns to cut fossil fuel use, and works to hold governments and corporations accountable to science-based climate goals and community needs.