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February 22, 2013

Permafrost: Are We at Tipping Point?

Michael Lemonick, Climate Central


Climate Central

Nearly a quarter of the Northern Hemisphere’s land surface is covered in permanently frozen soil, or permafrost, which is filled with carbon-rich plant debris — enough to double the amount of heat-trapping carbon in the atmosphere if the permafrost all melted and the organic matter decomposed.

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TAGGED: Alaska, Rose Cory, Siberia, Anton Vaks, carbon emissions, permafrost

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