28 June 2008

Tomgram: Mike Davis, Welcome to the Next Epoch

For those who didn't happen to notice, perhaps because it wasn't exactly front-page news in most of the country, NASA's James Hansen, the man who first alerted Congress to the dangers of global warming 20 years ago, returned to testify before the House Select Committee on Energy Independence and Global Warming this week. This time around, he was essentially offering a final warning on the subject. Unless the U.S. begins to act soon, he pointed out, "it will become impractical to constrain atmospheric carbon dioxide, the greenhouse gas produced in burning fossil fuels, to a level that prevents the climate system from passing tipping points that lead to disastrous climate changes that spiral dynamically out of humanity's control."

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