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« Knowledge and Mastery | Main | Discover David Brin »

June 11, 2007


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Nato Welch

Wouldn't it be better to tackle the problem closer to the source, by just trying to take the carbon out of the air?

Mike Treder, CRN

Yes, it would seem to make sense to pull carbon from the air, perhaps in a scheme something like we suggested here. But I doubt that will do enough by itself to reverse or sufficiently retard warming events already in motion (e.g., Greenland, Artic, and Antarctic ice melts). Some ambitious efforts probably will have to be made to shade portions of the earth while we work on reducing emissions and also try to lower the greenhouse gas content of the atmosphere.

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