[aerohead]

I've published this elsewhere, however, it's important enough to stand out where it can't be buried in another thread:
1) Water vapor............................................ H2O
2) Carbon Dioxide........................................ CO2
3) Carbon Monoxide..................................... CO
4) Chloroflourocarbons............................... .. CFCs
5) Hydroflourocarbons................................ .. HFCs
6) Hydrochloroflourocarbons.......................... HCFCs
7) Methane........................................... ....... CH4
8) Nitrous Oxide............................................N 2O
9) Nitrogen Oxides........................................ NOx
10) Nonmethane Volatile Organic Compounds... NMVOCs
11) Perflourocarbons.................................. ... PFCs
12) Sulfur Hexaflouride.................................. SF6
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3,9, and 10 chemically transform into GHGs, or influence the lifetimes of GHGs already in the atmosphere