Warmist v Warmist: RealClimate.org’s Pierrehumbert rebukes Hansen as ‘demonstrably wrong in his assertion that a Venus-type runaway greenhouse is a virtual certainty if we burn all the coal’
Pierrehumbert: 'I think that Jim Hansen is demonstrably wrong in his assertion that a Venus-type runaway greenhouse is a virtual certainty if we burn all the coal; he is right about almost everything and I greatly admire him, but he is wrong about this'