I was just listening to this podcast on the way home from work. It's an interview with Dr. Tim Ball (a retired professor of Climatology from the University of Winnipeg). I'm shocked at what he had to say -- I've just been trusting the media on global warming and haven't been doing any research of my own. Take a listen:
http://www.richardsyrett.com/audio/RSSApr0407h1.ram
Thinking has become a disease. Not to be able to stop thinking is a dreadful affliction, but we don't realize this because almost everybody is suffering from it, so it is considered normal. - Eckhart Tolle