Concentration Of Greenhouse Gases, Especially Co2, Have Increased Substantially Since The Beginning Of The Industrial Revolution. And The National Academy Of Sciences Indicates That The Increase Is Due In Large Part To Human Activity.
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Concentration Of Greenhouse Gases, Especially Co2, Have
George W. Bush
Concentration Of Greenhouse Gases, Especially Co2, Have Increased Substantially Since The Beginning Of The Industrial Revolution. And The National Academy Of Sciences Indicates That The Increase Is Due In Large Part To Human Activity.
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