Over 100 billion tonnes of carbon may be released from thawing permafrost: report Add to ...

April 9, 2015 12:23 AM

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More than 100 billion tonnes of carbon locked in permafrost could be released as the atmosphere warms over the course of the century, say scientists who have written a sweeping new assessment.

But the escape of that carbon will likely be gradual, they say, not an abrupt time bomb that could overwhelm the global climate system in one fell swoop.

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