Admission By James Annan: ‘High Climate Sensitivity Increasingly Untenable’ — Revken of NYT got an e-mail from James Annan, one of fiercest defenders of Hockey Stick chart’
'There have now been several recent papers showing much the same – numerous factors including: the increase in positive forcing (CO2 & recent work on black carbon), decrease in estimated negative forcing (aerosols), combined with the stubborn refusal of planet to warm as had been predicted over last decade, all makes a high climate sensitivity increasingly untenable'
A value (slightly) under 2 is certainly looking a whole lot more plausible than anything above 4.5.’
