James Hansen has a new paper out, co-authored with six other scientists: "Climate Change and trace gases." It appears in the current issue of the Philosophical Transactions of the Royal Society, and Hansen says: "In my opinion, among our papers this one probably does the best job of making clear that the Earth is getting perilously close to climate changes that could run out of our control." Steve Connor has a writeup in The Independent. Sounds like scary stuff: "Civilisation developed, and constructed extensive infrastructure, during a period of unusual climate stability, the Holocene, now almost 12,000 years in duration. …
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