April 8, 2008
Regional Nuclear War?
Think you might escape the aftereffects of a limited nuclear war that happens on the other side of the globe from you? Think again. Imagine that the long-simmering conflict between India and Pakistan broke out into a war in which each side deployed 50 nuclear weapons against the other country’s megacities. Karachi, Bombay, and dozens of other South Asian cities catch fire like Hiroshima and Nagasaki did at the end of World War II. Beyond the local human tragedy of such a situation, a new study looking at the atmospheric chemistry of regional nuclear war finds that the hot smoke from burning cities would tear holes in the ozone layer of the Earth. The increased UV radiation resulting from the ozone loss could more than double DNA damage, and increase cancer rates across North America and Eurasia.
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