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Sudden Chill

Even a limited nuclear exchange could trigger a climate catastrophe

4:52pm, January 29, 2007

In the mid-1980s, at the height of the Cold War, the United States and the Soviet Union each had thousands of nuclear warheads, along with a multitude of aircrews and missiles, sitting on red alert to carry those bombs to their targets at a moment's notice. The philosophy of mutual assured destruction—the notion that any use of nuclear weapons would trigger a full-fledged exchange that neither nation would survive—may have deterred any use of such bombs since World War II.

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