News From the Field
Abrupt Permafrost Thaw Increases Climate Threat
November 30, 2011
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.
University of Alaska Fairbanks
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