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Scientists urge Senate action on global warming

In a move to shore up credibility for climate change science, American scientists and economists are asking the Senate to enact immediate legislation to reduce emissions related to global warming.

By Staff writer / March 11, 2010

In this Dec. 3, 2009 file photo, a man walks in the backdrop of Mount Ama Dablam at Syangboche, a town in Nepal. Climate scientists are asking the Senate to require immediate nationwide cuts in greenhouse-gas emissions related to global warming.

Gemunu Amarasinghe/AP/File

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Two thousand US economists and climate scientists, including eight Nobel laureates, are sending a letter Thursday to the Senate urging lawmakers to require immediate nationwide cuts in greenhouse-gas emissions tied to global warming.

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Emerging from a wintertime blizzard of bad press, US and international climate scientists are in damage-control mode, holding press conferences, firing off press releases, and affirming that global warming is quite real and that climate change science is up to snuff.

Despite the "climate-gate" hacked e-mail scandal and embarrassing mistakes in previous scientific reports, the bulk of research shows climate change is incontrovertible, they say.

"We call on our nation’s leaders to swiftly establish and implement policies to bring about deep reductions in heat-trapping emissions," the scientists write in the letter. "The strength of the science on climate change compels us to warn the nation about the growing risk of irreversible consequences as global average temperatures continue to increase."

That letter comes on the heels of Wednesday's announcement, by the United Nations secretary general and the chairman of the UN's Intergovernmental Panel on Climate Change (IPCC), that an international independent commission will conduct an independent review of all the IPCC’s "processes and procedures."

The move is the latest bid to try to shore up credibility for the IPCC, whose reports were tarred after hacked e-mails appeared to show bias in favor of global warming's severity during development of the panel's reports. Add to that glaring mistakes, such as the erroneous prediction in the IPCC's 2007 report (which won a Nobel prize) that Himalayan glaciers would vanish by 2035. In fact, the glaciers are melting about as fast as glaciers worldwide – about double the rate of 40 years ago, NASA has found.

Such revelations "have really shaken the confidence of the public in the conduct of science," Ralph Cicerone, an atmospheric scientist who heads the US National Academy of Sciences, said last month at a meeting of the American Association for the Advancement of Science. Recent polls show flagging public confidence that global warming is occurring. A recent Gallup poll shows 48 percent of Americans think the seriousness of global warming is exaggerated.

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