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Abrupt Permafrost Thaw Increases Climate Threat

November 30, 2011

Ben Abbott As the Arctic warms, greenhouse gases will be released from thawing permafrost faster and at significantly higher levels than previous estimates, according to survey results from 41 international scientists published in the Nov. 30 issue of Nature. Permafrost thaw will release approximately the same amount of carbon as deforestation. However, the effect of thawing permafrost on climate will be 2.5 times greater because emissions include methane. Full Story

University of Alaska Fairbanks

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