ZackG, you'll find that if you really were curious about the validity of man-made climate change and started doing valid research into the subject, you will very quickly see how correct it is that humans are causing climate change. You just have to be willing to learn and educate yourself.
"Space is big. Really big. You just won't believe how vastly, hugely, mind-bogglingly big it is. I mean, you may think it's a long way down the road to the chemist, but that's just peanuts to space." - Douglas Adams