NASA research shows Arctic sea ice reached its annual minimum earlier this month.
On Sept. 17, Arctic ice covered 1.94 million square miles — the smallest area recorded in all of 2014 and the sixth lowest level since 1978.
So it’s not the worst we’ve seen — but NASA researcher Nathan Kurtz said the annual retreat is getting worse.
“At the present time we’ve lost an area equivalent to about a third of the United States. It goes up and down every year, but the long-term trend is that we’ve been losing a lot of sea ice,” said Kurtz in a video posted on YouTube by NASA on Monday.
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