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Geo-engineering could slow climate change

12-15-2010 08:45 BJT

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Some scientists believe it's already too late to stop the dangerous effects of climate change.But some say there is one possible way to at least slow the damage. CCTV correspondent Jeff Napshin has more on the controversial concept of geo-engineering.

It happens every time there's a major volcanic erruption.

Clouds of ash enter the atmosphere blocking the sun and lowering the temperature. That gave climate scientists an idea that's led to the development of geo-engineering: a man-made effort to modfiy the climate in order to fight global warming.

Mike Maccracken, Climate Institute, said, "It's something that's gonna be necessary.If we don't do it the damage will be so severe that we just won't wanna tolerate it."

Mike MacCracken is chief scientist at the Climate Institute in Washington.

He says geo-engineering is intended to slow the effects of climate change--which many believe is raising global temperatures and sea levels while changing weather patterns.

But some experts say you shouldn't play god with Mother Nature.

Ning Zeng, Professor of University of Maryland, said, "I think some of them could be potentially dangerous."

Professor Ning Zeng is an atmospheric scientist at the University of Maryland.

He says geo-engineering is just begninning to be studied.

Clouds of ash enter the atmosphere blocking the sun and lowering the temperature.
That gave climate scientists an idea that's led to the development of geo-enginee
ring:a man-made effort to modfiy the climate in order to fight global warming.


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