USA TODAY: Can geoengineering put the freeze on global warming
Posted by JAC on 2/27/2011, 7:54 am
http://www.usatoday.com/money/industries/environment/2011-02-25-geoengineering25_CV_N.htm


Scientists call it "geoengineering," but in plain speak, it means things like this: blasting tons of sulfate particles into the sky to reflect sunlight away from Earth; filling the ocean with iron filings to grow plankton that will suck up carbon; even dimming sunlight with space shades.

Each brings its own set of risks, but in a world fretting about the consequences of global warming, are these ideas whose time has come?

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USA TODAY: Can geoengineering put the freeze on global warming - JAC, 2/27/2011, 7:54 am
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