A new study out of Dartmouth College in New Hampshire found that 5 of the world’s biggest emitters of greenhouse gases—the U.S., Russia, India, China, and Brazil—caused approx $6 trillion (adjusted for 2010 dollars) in economic losses through their warming, equivalent to approx 14% of global gross domestic product (GDP).
The authors of the study said this is the first time scientists have put an actual dollar figure on the economic harm that high-emitting countries have done to others. Christopher Callahan, a Dartmouth PhD candidate and co-author of the study, said, ‘Before our work we had a pretty good idea of the economic effect of global warming. The problem is, that is not sufficient to provide an understanding of how culpable individual actors are.’
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