How much carbon is released into the ...

How much carbon is released into the atmosphere by thawing permafrost?

There are 1 comment on the Ars Technica story from Sep 17, 2012, titled How much carbon is released into the atmosphere by thawing permafrost?. In it, Ars Technica reports that:

One of the most worrisome unknowns about climate change is the behavior of positive feedbacks that amplify warming.

Join the discussion below, or Read more at Ars Technica.

SpaceBlues

Houston, TX

#1 Sep 17, 2012
Worrisome for sure as the shrinking ice and snow cover in the Arctic - white and reflective - are being replaced by dark land and water that absorb more solar radiation. Thus a positive feedback on its own could trigger another one, namely, the thawing of massive store of carbon in Arctic permafrost soils.

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