The top 100 solutions to climate change

In A new book ranks the top 100 solutions to climate change. The results are surprising. David Roberts interviews Paul Hawken about Hawken's book Drawdown: The Most Comprehensive Plan Ever Proposed to Reverse Global Warming.

Unlike most popular books on climate change, it is not a polemic or a collection of anecdotes and exhortations. In fact, with the exception of a few thoughtful essays scattered throughout, it’s basically a reference book: a list of solutions, ranked by potential carbon impact, each with cost estimates and a short description. A set of scenarios show the cumulative potential.

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The number one solution, in terms of potential impact? A combination of educating girls and family planning, which together could reduce 120 gigatons of CO2-equivalent by 2050 — more than on- and offshore wind power combined (99 GT).

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Also sitting atop the list, with an impact that dwarfs any single energy source: refrigerant management. (Don’t hear much about that, do you? Here’s a great Brad Plumer piece on it.)