claim: His best estimate is that the  warming in response to a doubling of CO2 concentration, which may happen  this century unless the usual suspects get away with shutting down the  economies of the West, will be a harmless 1 Fahrenheit degree, not the 6  F predicted by the IPCC."
evidences.evidence_id: Climate sensitivity:13
evidences.article: Climate sensitivity
evidences.evidence: Without feedbacks the radiative forcing of approximately 3.7 W/m2, due to doubling CO 2 from the pre-industrial 280 ppm, would eventually result in roughly 1 °C global warming.
evidences.votes: SUPPORTS REFUTES
evidences.evidence_id: Climate sensitivity:53
evidences.article: Climate sensitivity
evidences.evidence: In his first paper on the matter, he estimated that global temperature would rise by around 5 to 6 °C (9.0 to 10.8 °F) if the quantity of CO 2 was doubled.
evidences.votes: REFUTES REFUTES
evidences.evidence_id: Climate sensitivity:66
evidences.article: Climate sensitivity
evidences.evidence: The 1990 IPCC First Assessment Report estimated that equilibrium climate sensitivity to a doubling of CO 2 lay between 1.5 and 4.5 °C (2.7 and 8.1 °F), with a "best guess in the light of current knowledge" of 2.5 °C (4.5 °F).
evidences.votes: NOT_ENOUGH_INFO REFUTES
evidences.evidence_id: IPCC Third Assessment Report:12
evidences.article: IPCC Third Assessment Report
evidences.evidence: The TAR estimate for the climate sensitivity is 1.5 to 4.5 °C; and the average surface temperature is projected to increase by 1.4 to 5.8 Celsius degrees over the period 1990 to 2100, and the sea level is projected to rise by 0.1 to 0.9 metres over the same period.
evidences.votes: REFUTES REFUTES
evidences.evidence_id: Kyoto Protocol:25
evidences.article: Kyoto Protocol
evidences.evidence: The "likely" range (as assessed to have a greater than 66% probability of being correct, based on the IPCC's expert judgment) is a projected increase in global mean temperature over the 21st century of between 1.1 and 6.4 °C.
evidences.votes: SUPPORTS REFUTES