Scientist says humans cause global warming

Ralph J. Cicerone, president of the National Academy of Sciences, testified to the Senate Energy and Natural Resources Committee this week, arguing that global warming is real and a consequence of human activity.

"Carbon dioxide in the atmosphere is now at its highest level in 400,000 years and it continues to rise," said Cicerone, an atmospheric scientist who left as chancellor of University of California-Irvine to become academy president this month. "Nearly all climate scientists today believe that much of Earth's current warming has been caused by increases in the amount of greenhouse gases in the atmosphere, mostly from the burning of fuels."

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[Who do these scientists think they are anyway, using systematic observation, scientific theory and critical thought to question the cherished beliefs of George W. Bush? And what is this "National Academy," some kind of liberal advocacy outfit? Perhaps some Rove style intimidation (cut their research funding?) will bring these guys back to the yellow cake truth as revealed to our great leader. - LW]