hansen's 1988 results are evidence that the actual climate sensitivity is about 3°c for a doubling of atmospheric co2.
hansen's 1988 results are evidence that the actual climate sensitivity is about 3°c for a doubling of atmospheric co2.
climate sensitivity:13
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.