Thursday, October 25, 2007

Heal the World

Make it a better place
For you and for me
And the entire human race
...

Ken Caldeira, in a NY Times opinion piece, says that the earth will continue warming for decades, even if greenhouse gas emissions stopped tomorrow. Caldeira suggests that high-altitude sulfate particles would reflect back some of the sun's rays, cooling the earth. It's for the polar bears, man.

Mr. Caldeira is affiliated with the Department of Global Ecology at the Carnegie Institution of Washington.

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