Arctic: Ice-Free by 2013?. 
The passage of time has not been kind to the Arctic's fortunes: Where scientists once predicted the Arctic would be ice-free by the end of the century, they revised their estimates in recent months to 2030 and now - stunningly - to 2013. Presenting the findings of his modeling studies at the American Geophysical Union meeting in San Francisco, Wieslaw Maslowski, a professor at the Naval Postgraduate School, explained that earlier projections had low-balled the real values by not accounting for some of the processes driving the ice loss.
Even worse, he conceded that his own estimates may be on the optimistic side, explaining that the models he had run - usin...

[TreeHugger]
5:37:31 PM
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