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Originally posted by soficrow
So global warming is an escalating cascade, huh?
Whooda think it?
Katey Walker from the University of Alaska at Fairbanks and her colleagues calculate that across the region, thaw lakes lakes emit 3.8 teragrams (Tg, million million grams) per year.
The contribution of these lakes is small compared to the IPCC estimate of total global methane production, 600 Tg per year.
More than half of this total comes from human activities, notably farming.