[duvausa]

try this website:
http://www.gsfc.nasa.gov/gsfc/earth/terra/co.htm

Also--I second the advice to watch THE GREAT GLOBAL WARMING SWINDLE" I saw it on YouTube. It's all Maggie Thatcher's fault. who knew?

BTW--biggest source of CO2 is the ocean. It's pretty darn big.

[Senormechanico]

I noticed the last update for that webpage was 5/2001.