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I"m retired http://xnxx-xxnxx.in.net/ free porn The pace of permafrost thawing is "accelerating," says Vladimir Romanovsky, who runs the University of Alaska"s Permafrost Laboratory in Fairbanks. He expects widespread degradation will start in a decade or two. By mid-century, his models suggest, permafrost could thaw in at least a third of Alaska and by 2100, in two-thirds of the state.
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