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Geoengineering: How to Cool Earth--At a Price http://apocadocs.com/s.pl?1225386287
Three recent developments have brought [geoengineering] back into the mainstream.
First, despite years of talk and international treaties, CO2 emissions are rising faster than the worst-case scenario envisioned as recently as 2007 by the Intergovernmental Panel on Climate Change. "The trend is upward and toward an ever increasing reliance on coal," says Ken Caldeira, a climate modeler at the Carnegie Institution for Science in Stanford, Calif.
Second, ice is melting faster than ever at the poles, suggesting that climate might be closer to the brink -- or to a tipping point, in the current vernacular -- than anyone had thought.
And third, Paul J. Crutzen wrote an essay. The 2006 paper in the journal Climatic Change by the eminent Dutch atmospheric chemist, in which with heavy heart he, too, urged serious consideration of geoengineering, "let the cat out of the bag," Keith says. Crutzen had won the Nobel Prize in Chemistry for his work on the destruction of atmospheric ozone in 1995; if he was taking geoengineering seriously, it seemed, everyone needed to.
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[Read more stories about:
technical cleverness, climate impacts, anthropogenic change, geoengineering]
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Sounds like it's time to let all the cats out of all the bags!
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