Archives for February 7, 2008

Tipping point watch

More gumf from the Grauniad. Supposedly based on something in PNAS: anyone seen it? The usual suspects: the Potsdam folk and Tim Lenton and so on. Sadly (?) the online version doesn’t have the appalling map that the print edition has, featuring highly implausible timescales for those bits I know anything about (Greenland and W…