Forbes: Over in the New York Times Andy Revkin has a piece discussing the way that the general scientific view is that climate sensitivity is lower than many had previously assumed. This is good news of course: but one of the implications seems not to have occurred to people yet. This makes climate change itself a much cheaper problem to deal with.
Climate sensitivity is how much will the temperature change over a doubling of atmospheric CO2 (more strictly, CO2-e, taking account of methane and all the...