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© United States National Snow and Ice Data Center (NSIDC)

The extent of Arctic sea ice has greatly decreased in the last three decades. Minimum sea ice extent normally occurs in September every year, after the summer melt and before the ice starts to refreeze. It has been recorded by satellite since 1979.

© United States National Snow and Ice Data Center (NSIDC), US National Aeronautics and Space Administration (NASA) Earth Observatory

Year: 2015

From album: Videos from : UNEP Year eBook 2014 Update - Rapid change in the Arctic

Produced by: Grid-Arendal

Tags: Arctic documentary ice polar snow

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