Greenland under threat from warming

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Greenland under threat from warming

Postby HVPA_research » Thu Aug 12, 2010 10:40 pm

From a news item in Climate Spectator:
The entire ice mass of Greenland could melt if temperatures rise by as little as 2C, with dire consequences for the rest of the world, a panel of scientists has told US Congress.

"Sometime in the next decade we may pass that tipping point which would put us warmer than temperatures that Greenland can survive," said Richard Alley, a geosciences professor at Pennsylvania State University.

And the fall-out would be felt thousands of miles away from the Arctic, unleashing a global sea level rise of 23ft (7 metres), added Alley, who was speaking by phone to a briefing held by the House of Representatives committee on energy independence and global warming.

Such a dramatic rise in sea levels, Alley warned, would see low-lying cities such as New Orleans vanish.

The warning comes just one week after Greenland shed its largest chunk of ice in nearly half a century last week.

"What is going on in the Arctic now is the biggest and fastest thing that nature has ever done," Alley said.

The briefing also noted that the last six months had set new temperature records.
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