Glacial cracks at the top of Greenland worrisome

‘It’s a signal but we don’t know what it means,’ one scientist says

By Seth Borenstein / The Bulletin
August 22, 2008

WASHINGTON — In northern Greenland, a part of the Arctic that had seemed immune from global warming, new satellite images show a growing giant crack and an 11-square-mile chunk of ice hemorrhaging off a major glacier, scientists said Thursday.

And that’s led the university....

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