‘Huge anomaly’: warm winter limits sea-ice formation, experts say

Scientists say warm winter weather around the circumpolar north has led to another record-setting year of decreasing sea-ice coverage of the Arctic Ocean. The extent of sea ice formed over this past winter fell short of the previous record-low extent set last year.
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The National Snow and Ice Data Center says Arctic sea ice extent as of March 24 averaged 5.6 million square miles, about 5,000 miles less than last year’s record-low maximum extent. (Photo courtesy of NSIDC, NASA