One of the scarier increasingly likely apocalypses is ice sheet collapse, a scenario in which destabilized polar ice suddenly fractures and falls into the water, causing sea levels to rise dramatically.
The good news is that the now-collapsing Wilkens ice sheet in Antarctica, twice the size of Manhattan, was already in the water, so sea levels won't rise as a result—but the bad news is the stunning rapidity with which these changes are happening, significantly faster than any scientists or climate models predicted. More at Climate Progress, Open Left, and Washington Monthly.
Wednesday, March 26, 2008
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