Archives for December 21, 2008

The Venus Syndrome

Hansen again. He seems to have got bored with saying climate sensitivity is 6 oC, and now agrees with JA that its 3 oC. Hurrah. Less excitingly, his estimate for all-ice-sheet melt on 2-3 x CO2 is now “it would take some time”, which has the virtue of vagueness. But far more excitingly, he is…