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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People's Climate March

More than 400,000 people took to the streets to have their voices heard at the People's Climate March yesterday in New York City. The record-breaking crowd took up 27 blocks in total, from West 86th street to Columbus Circle.

Photographer Zach Roberts was there to document the biggest climate change march in history for DeSmogBlog. Here are some of his best shots.

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