Here is an interesting article on the subject of global warming called Gore gored. My natural reaction is that Al Gore is not worthy of trust, so anything he advocates should be carefully scrutinized.

http://antigreen.blogspot.com/

Try to access the original report if you are interested in checking out the equations the IPCC uses. I have experience with large supercomputer thermal models, and agree completely with the comments of Freeman Dyson regarding the reliability of the models. His comments about "fudge factors" in the models are exactly what I have previously said.