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Climate Panic Button

Ecology scientist Ken Caldeira sheds light on some radical ideas for fighting global warming.

Fortnightly Magazine - February 2007

when huge droughts in the Midwestern breadbasket are collapsing our agriculture system, ice sheets are melting, sea levels are rising, and we’re getting hit by Katrina-scale hurricanes—geoengineering might be an emergency back-up system we could deploy.

We should avoid geoengineering if possible, but we need it in our toolbox in case of catastrophe.