Quit the crap. There's no unequivocal proof that of the many heating and cooling mechanisms, CO2 is the significant climate-changing factor, inspite of the scientists who claim that it is - and the burden of proof is on THEM - THEY are the ones making the claim.
"Hah! You're a Tea Party intollerant racist gay-bashing homophobe that does not believe in science and thinks the earth is flat."
- My impersonation of what passes for liberal leftwing debate on this subject.