Arctic heat wave melting ice at record pace – US news – Environment – Discovery.com – msnbc.com

Arctic Sea ice concentration, biweekly norther...

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Arctic sea ice has melted away with astonishing speed in the first half of July, at an average rate of about 46,000 square miles per day, according to the National Snow and Ice Data Center (NSIDC) in Boulder, Colo.

That’s equivalent to an area roughly the size of Pennsylvania melting into the sea every 24 hours.

via Arctic heat wave melting ice at record pace – US news – Environment – Discovery.com – msnbc.com.

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