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Environmental News Network - Permafrost Restrains Arctic Rivers—and Lots of Carbon

Environmental News Network - Permafrost Restrains Arctic Rivers—and Lots of Carbon
enn.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from enn.com Daily Mail and Mail on Sunday newspapers.

Permafrost alone holds back Arctic rivers -- and a lot of carbon

Permafrost alone holds back Arctic rivers -- and a lot of carbon
sciencedaily.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from sciencedaily.com Daily Mail and Mail on Sunday newspapers.

Permafrost blocks Arctic rivers and retains significant carbon deposits

Permafrost alone holds back Arctic rivers — a

<p>A Dartmouth study provides the first evidence that the Arctic&rsquo;s frozen soil is the dominant force shaping Earth&rsquo;s northernmost rivers, confining them to smaller areas and shallower valleys than rivers to the south. But as climate change weakens Arctic permafrost, the researchers calculate that every 1 degree Celsius of global warming could release as much carbon as 35 million cars emit in a year as polar waterways expand and churn up the thawing soil.</p> <p>&nbsp;</p>

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