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Climate Sensitivity Estimates: Heading Down, Way Down? (Richard Lindzen’s New Paper)

By Chip Knappenberger -- August 26, 2009

MIT climate scientists Richard Lindzen and collaborator Yong-Sang Choi soon-to-be published paper (Geophysical Research Letters, American Geophysical Union) pegs the earth’s “climate sensitivity”—the degree the earth’s temperature responds to various forces of change—at a value that is about six times less than the “best estimate” put forth by the Intergovernmental Panel on Climate Change (IPCC). The smaller the climate sensitivity, the less the impact that rising carbon dioxide levels will have on the earth’s climate. The less the impact that CO2 emissions will have on the earth’s climate, the less the “problem” and ability to reverse the “problem.”

Lindzen and Choi’s findings should come as a solace to those folks who are alarmed about future climate and as a bulwark to those folks fighting to limit Congresses negative impact on U.S.…