If you've got an hour and 15 minutes, I would highly recommend watching The Great Global Warming Swindle from Brit Channel 4. It presents the case for sun spot activity affecting the earth's climate.
The fact that the film won't be shown in the U.S. and that it's caused Goreys to go apopoletic suggests everyone must see it.
You swine! I got a 404!
Seems the video has already been pulled from your link.
You had better lock your doors and hide under your bed. The global warming police have taken a bead on you...