Regional nuclear war could create catastrophic global cooling, say scientists Not fully convinced that a nuclear war would suck? Perhaps this will do the trick: Scientists are reviving the "nuclear winter" fears of the 1980s, portending that even a small, regional nuke kerfuffle could trigger a devastating global cooling. Advanced computer models show that thick clouds from urban firestorms could rise into the upper atmosphere and block the sun's rays for about a decade, destroying crops and killing tens of millions of people. Oh, and the ozone layer would experience significant shrinkage, too. In short, says researcher Richard Turco, "all …
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