| Common Name | Formula | Sources | Atmospheric Importance |
| nitrous oxide | N2O | Natural, fertilizer application, animal waste | 1,2 |
| sulfur hexafluoride | SF6 | Insulator in high voltage systems | 2 |
| CFC-12 | CCl2F2 | Refrigerant | 1,2 |
| halon-1211 | CBrClF2 | Fire extinguishing agent | 1,2 |
| CFC-11 | CCl3F | Foam blowing agent | 1,2 |
| CFC-113 | CCl2FCClF2 | Solvent | 1,2 |
| chloroform | CHCl3 | Natural, waste treatment, paper production | 1 |
| methyl chloroform | CH3CCl3 | Solvent | 1,2 |
| carbon tetrachloride | CCl4 | Solvent, feedstock for CFC production | 1,2 |
| hydrogen | H2 | Hydrocarbon oxidation, combustion | |
| methane | CH4 | Natural, ruminant animals, combustion | 2 |
| carbon monoxide | CO | Combustion, hydrocarbon oxidation |
1 - Breaks apart in the stratosphere and reacts with stratospheric ozone (Ozone Depletion)
2 - Absorbs longwave radiation and traps heat in the lower atmosphere (Greenhouse Gas)