Arctic sea ice extent hits a record low for April — and old ice is disappearing fast
The Arctic is quickly losing the multi-year sea ice that keeps the region from becoming ice-free in the summer.
May 7, 2019
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Arctic sea ice extent last month was the lowest for any April on record, thanks in part to a heat wave early in the month that sent temperatures soaring as high as 9 degrees Celsius above normal, the National Snow and Ice Data Center reported.
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