Warming Arctic Permafrost Fuels Climate Change Worries – NYTimes.com

Warming Arctic Permafrost Fuels Climate Change Worries – NYTimes.com.

Temperature Rising

As Permafrost Thaws, Scientists Study the Risks

FAIRBANKS, Alaska — A bubble rose through a hole in the surface of a frozen lake. It popped, followed by another, and another, as if a pot were somehow boiling in the icy depths.

Every bursting bubble sent up a puff of methane, a powerful greenhouse gas generated beneath the lake from the decay of plant debris. These plants last saw the light of day 30,000 years ago and have been locked in a deep freeze — until now.

[…]

It was another small clue for scientists struggling to understand one of the biggest looming mysteries about the future of the earth.

[…]

Read the full story here: The New York Times

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Filed under Alaska, ecology & environment, global warming

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