I Doubt It Too, George
It's called Junk Science, Al. There are just as many scientists who doubt these claims as there are scientists who embrace them.
Bush says he "doubts it" when asked if he plans to see the film. Of course, the HuffPo headline, meant to deceive, insinuates that Bush doubts global warming. Al claims that this film he is pimping is the real, honest deal. Nobody would deny that the temperature of the world has risen by 1 degree in the last century.
Guess what? It's been much much hotter than that before. And it's been a lot cooler than that before.
When I lived in Austin, Texas, I used to go to a dry creekbed behind my house and hunt for fossilized shark teeth and bones. And I found a lot of them, because there used to be an ocean there at one time. And it wasn't humans that made it disappear.