I am a non-believe in the James Hansen Goddard ISS/NASA theories concerning global warming. They receive lots of press, and Hansen is an excellent advocate.
I interviewed him in his little office at Columbia University in Morningside Heights around 20 years ago. He made a good case, accompanied by graphs and charts and his famous colored dice.
I tried to explain forcings and chaos with colored dice. One die represented normal climate for 1951-1980, with equal chances for warm, average and cool seasons. The other die was