We’ve known about climate change for decades, even if most of the so-called solutions have felt too slow, too expensive, or too politically fraught. But pioneering environmentalist Bill McKibben says we’ve been overlooking the answer right in front of us, or rather right above us. The sun. In his new book, Here Comes the Sun: A Last Chance for the Climate and a Fresh Chance for Civilization, Bill argues that solar power — once dismissed as niche and impractical — is now growing faster than any energy source in history. It’s cheap, it’s everywhere, and it’s the only solution that can scale quickly enough to meet the climate emergency.

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