You could show Al Gore's documentary, "An Inconvenient Truth". He makes a compelling arguement for the whole global warming thing if you believe his story.
Personally I don't. People may have something to do with global warming but I simply do not believe the fanatics and doomsday sayers; there are too many credible witnesses who dispute their facts.
Check out Jesse ventura's youtube videos on the subject. Now, Jesse may not be your ideal spokesperson, but as a Canadian it is my opinion that he is likely the most straight talking American to ever hold office.
In short, time will tell eh!
