Man-Made Aerosol Cooling Would Trigger a Global Drought

Sun, 2007-08-19 12:16Ross Gelbspan
Ross Gelbspan's picture

Man-Made Aerosol Cooling Would Trigger a Global Drought

A controversial theory proposes mimicking volcanoes to fight global warming. But throwing sulfur particles into the sky may do more harm than good, a new study says.

The temporary solution would pump particles of sulfur high into the atmosphere—simulating the effect of a massive volcano by blocking out some of the sun's rays.

This intervention, advocates argue, would buy a little time to reduce greenhouse gas emissions. But as well as cooling the planet, the sulfur particles would reduce rainfall and cause serious global drought, a new study says.

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A U.S. District Court judge ruled on June 27 that the Bureau of Land Management (BLM) and Forest Service both wrongly approved expansion of the West Elk coal mine in Somerset, Colo., because they failed to take into account the economic impacts greenhouse gas emissions from the mining would have.
 
The federal agencies said it was impossible to quantify such impacts, but the court pointed out a tool is...
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