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Friday, December 2, 2011

Geoengineering Could Save Earth -- Or Destroy It

Geoengineering Could Save Earth -- Or Destroy It: "Brighten clouds with sea water? Spray aerosols high in the stratosphere? Paint roofs white and plant light-colored crops? How about positioning "sun shades" over the Earth?

At a time of deep concern over global warming, a group of scientists, philosophers and legal scholars examined whether human intervention could artificially cool the Earth -- and what would happen if it did."

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