Well I am not sure about that... I saw this film by Nobel Prize Winning Politician, Al Gore. And he explains that CO2 is causing Global Warming. I'm pretty sure it's true, he explained all this with nice charts and polar bears. http://www.globalwarmingcauseseverything.com

Everyone knows Global Warming causes Global Cooling

I need to add this to my list - Global Warming causes Unhappiness. One more reason to fight global warming, be happy or global warming wins!
http://www.globalwarmingcauseseverything.com

Please everyone already knows nothing can stop Global Warming now... Algore said we have reached the tipping point and he is a Nobel Prize winning Politician. Look at everything that Global Warming causes at http://www.globalwarmingcauseseverything.com and to dispute this makes you an unpatriotic earth hurter.

Everyone knows an increase of .01% of CO2 in the atmosphere is the cause of all our problems. If you don't believe me just check out all the evidence at http://www.globalwarmingcauseseverything.com