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St. Paul, Minn.

Fighting global warming by manipulating the climate

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It's getting hot in here
As the Earth's temperature rises, ice caps are melting and glaciers are disappearing.
Photo by Uriel Sinai/Getty Images

Installing mirrors in space? Dispersing sulfur into the stratosphere? These are just some of the ideas that have been suggested as a last-ditch effort to combat global warming.

While some scientists say such climate engineering should be studied, others worry that the prospect of intentionally manipulating the climate is fraught with danger.

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It's getting hot in here
As the Earth's temperature rises, ice caps are melting and glaciers are disappearing.
Photo by Uriel Sinai/Getty Images