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Politics : PRESIDENT GEORGE W. BUSH
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To: Hope Praytochange who wrote (743683)6/25/2006 8:35:05 PM
From: Mr. Palau  Read Replies (1) of 769670
 
wrong again flipper, it was gw:

"First, we know the surface temperature of the earth is warming. It has risen by .6 degrees Celsius over the past 100 years. There was a warming trend from the 1890s to the 1940s. Cooling from the 1940s to the 1970s. And then sharply rising temperatures from the 1970s to today.

There is a natural greenhouse effect that contributes to warming. Greenhouse gases trap heat, and thus warm the earth because they prevent a significant proportion of infrared radiation from escaping into space. Concentration of greenhouse gases, especially CO2, have increased substantially since the beginning of the industrial revolution. And the National Academy of Sciences indicate that the increase is due in large part to human activity."

June 2001
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