fourth assessment report (ar4), in which the likely range is given as 2.0°c to 4.5°c, with a best estimate of 3.0°c" (pat michaels)
fourth assessment report (ar4), in which the likely range is given as 2.0°c to 4.5°c, with a best estimate of 3.0°c" (pat michaels)
global warming controversy:208
in its 2007 fourth assessment report, ipcc said that climate sensitivity is "likely to be in the range 2 to 4.5 °c with a best estimate of about 3 °c".