New Climate Model: 25% Less Warming

| Tuesday, January 18, 2011 | |
by Patrick J. Michaels

Bet you haven’t seen this one on TV: A newer, more sophisticated climate model has lost more than 25% of its predicted warming! You can bet that if it had predicted that much more warming it would have made the local paper.

The change resulted from a more realistic simulation of the way clouds work, resulting in a major reduction in the model’s “climate sensitivity,” which is the amount of warming predicted for a doubling of the concentration of atmospheric carbon dioxide over what it was prior to the industrial revolution.

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