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Uploaded on Mar 31, 2010
Over recent decades, the Arctic has been the fastest-warming region on the planet. This video tells the story of how it has been changing, as seen from satellites above, and submarines below, touring through years of hard research — in three minutes. Some of the key findings: sea ice is thinning even faster than it is shrinking in area, and Greenland has been shedding ice at an accelerating pace — with consequences for sea level.