Wednesday, February 10, 2010

Clouds Appear to Be a Big, Bad Player in Global Warming

As posted in "Climate Progress," there is strong evidence that cloud changes are exacerbating global warming. This has been a bone of contention for quite some time, but what is certain is that climate models have not been adequately accounting for clouds in predicting climate change, either current or future. "Feedbacks involving low-level clouds remain a primary cause of uncertainty in global climate model projections." The positive, low-level cloud feedback strongly suggests that a doubling of the atmospheric carbon dioxide level could well result in a mean global warming of 4.4 degrees centigrade, the upper range of predictions, further raising the red flag. This link will take you to the posting of this important study in "Climate Progress."

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GREENLAND - Will probably be the focus of near term sea level rise

Greenland is almost all covered by a very thick glacial ice cap. If all of Greenland's ice either melted or slid into the oceans, sea le...