SuperFreakonomics and Geoengineering

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Dec 29, 2009, 6:10:56 PM12/29/09

to Geoengineering

I don't know whether others have seen this, or how I missed it, but it's
dynamite!

Cheers,

John

P.S. A bit on geoengineering, with David Keith and Stephen Salter here:
http://www.msnbc.msn.com/id/3032619#34517503

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