—By Tim McDonnell and James West
This interactive explainer was produced by the Climate Desk. (Don't worry, it may take a few seconds to load.)
Front page image: Karin Hildebrand Lau Shutterstock
Tim McDonnell is Climate Desk's associate producer. For more of his stories, click here. Follow him on Twitter or send him an email at tmcdonnell [at] motherjones [dot] com. RSS | Twitter
James West is senior producer for the Climate Desk and a contributing producer for Mother Jones. He wrote Beijing Blur (Penguin 2008), and produced award-winning TV in his native Australia. He's been to Kyrgyzstan, and also invited himself to Thanksgiving dinner after wrongly receiving invites for years from the mysterious Tran family.
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