but his results are evidence that the actual climate sensitivity is about 3°c for a doubling of atmospheric co2.
but his results are evidence that the actual climate sensitivity is about 3°c for a doubling of atmospheric co2.
richard lindzen:87
the ipcc (2007) estimates that the expected rise in temperature due to a doubling of co2 to be about 3 °c (5.4 °f), ± 1.5°.