| Lifetime | Global Warming Potential | ||||
| (years) | (Time Horizon in Years) | ||||
| GAS | 20 yrs | 100 yrs | 500 yrs | ||
| Carbon Dioxide | CO2 | 5-200 | 1 | 1 | 1 |
| Methane | CH4 | 12 | 62 | 23 | 7 |
| Nitrous Oxide | N2O | 114 | 275 | 296 | 156 |
| Chlorofluorocarbons | |||||
| CFC-11 | 55 | 4500 | 3400 | 1400 | |
| CFC-12 | 116 | 7100 | 7100 | 4100 | |
| CFC-115 | 550 | 5500 | 7000 | 8500 | |
| Hydrofluorocarbons | |||||
| HFC-23 | CHF3 | 260 | 9400 | 12000 | 10000 |
| HFC-32 | CH2F2 | 5 | 1800 | 550 | 170 |
| HFC-41 | CH3F | 2.6 | 330 | 97 | 30 |
| HFC-125 | CHF2CF3 | 29 | 5900 | 3400 | 1100 |
| HFC-134 | CHF2CHF2 | 9.6 | 3200 | 1100 | 330 |
| HFC-134a | CH2FCF3 | 13.8 | 3300 | 1300 | 400 |