Alex Steffen

Our Climate Is Headed Toward 'Extremely Dangerous' or 'Catastrophic:' Here's Our Best Off Plan For Staving Off Total Disaster

The following excerpt is from the introduction to Alex Steffen's new book, Carbon Zero. The rest of the book is available as chapters on Grist and in ebook form on Amazon. You can learn more about Steffen at his website AlexSteffen.com or follow him on twitter @AlexSteffen.

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Did Bill Gates Just Give the Most Important Climate Speech of the Year?

On Friday, the world's most successful businessperson and most powerful philanthropist did something outstandingly bold, that went almost unremarked: Bill Gates announced that his top priority is getting the world to zero climate emissions.

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