Here's some food for thought for people who beleive this is absolute fact.
http://www.skepticism.net/articles/2001/000027.html
http://www.skepticism.net/articles/2002/000033.html
http://www.skepticism.net/articles/2001/000023.html
And here's how our wonderfull liberal media reports it:
http://www.skepticism.net/articles/2001/000010.html
http://www.skepticism.net/articles/2002/000066.html
http://www.skepticism.net/articles/2001/000056.html
My point with this is not to prove or disprove theories,only that that's exactly what we are dealing with here when we talk of man induced climate warming,Theories and what if's.There is a lot more research to be done before Ill jump on that bandwagon.