Thawing Permafrost

Russian Academy of Sciences, University of Florida
Lead authors: Sergey Zimov, Edward Schuur
Where Published: Science Magazine

Thawing permafrost in the Arctic could play a role in fueling global warming ... The reservoir is very large and dangerous ... frozen soils across a large swath of Siberia and Alaska hold nearly 500 billion tons (454 billion metric tons) of carbon—or two-thirds current atmospheric levels.
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