While waiting for Keystone…
Posted by Nancy Van Leuven, Ph.D. on December 17, 2011
Bill McKibbon and others in the Twitterverse are trading readings, which includes this great NYT report on the dangers of permafrost.
“Experts have long known that northern lands were a storehouse of frozen carbon, locked up in the form of leaves, roots and other organic matter trapped in icy soil — a mix that, when thawed, can produce methane and carbon dioxide, gases that trap heat and warm the planet. But they have been stunned in recent years to realize just how much organic debris is there.”
PROmotion 
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