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December 21, 2008 6:00 AM

Scientists doubt inventor's global cooling idea — but what if it works?

Backed by a computer model, a little-known inventor is making public a U.S. patent petition for what he calls the most "practical, nontoxic, affordable, rapidly achievable" and beneficial way to curb global warming and a resulting catastrophic ocean rise. Spray gigatons of seawater into the air, mainly in the Northern Hemisphere, and let Mother Nature do the rest.

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