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Kevin
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 Posted: Sun Feb 04, 2007 9:16 pm Post subject: Science Panel Calls Global Warming ‘Unequivocal’ |
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Coverage of the IPCC 4th Report, Physical Science Basis section, released February 2007
Science Panel Calls Global Warming ‘Unequivocal’
http://www.nytimes.com/2007/02/03/science/earth/03climate.html
'PARIS, Feb. 2 — In a grim and powerful assessment of the future of the planet, the leading international network of climate scientists has concluded for the first time that global warming is “unequivocal” and that human activity is the main driver, “very likely” causing most of the rise in temperatures since 1950....'
'...The report is the panel’s fourth assessment since 1990 on the causes and consequences of climate change, but it is the first in which the group asserts with near certainty — more than 90 percent confidence — that carbon dioxide and other greenhouse gases from human activities have been the main causes of warming in the past half century...'
Photo by Dan Crosbie/Canadian Ice Service, at New York Times
'...[U.S.] Secretary of Energy Samuel Bodman rejected the idea of unilateral limits on emissions. “We are a small contributor to the overall, when you look at the rest of the world, so it’s really got to be a global solution,” he said.
The United States, with about 5 percent of the world’s population, contributes about a quarter of greenhouse gas emissions, more than any other country...'
'“Policy makers paid us to do good science, and now we have very high scientific confidence in this work — this is real, this is real, this is real,” said Richard B. Alley, one of the lead authors and a professor at Pennsylvania State University. “So now act, the ball’s back in your court.”'
http://www.nytimes.com/2007/02/03/science/earth/03climate.html
Intergovernmental Panel on Climate Change (IPCC) web site:
http://www.ipcc.ch/
Download complete report, IPCC 4th Assessment, Physical Science Basis section, approved and released February 2007:
http://www.ipcc.ch/SPM2feb07.pdf |
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