Table 27.2 - Relative direct sources of global greenhouse gases (percentages of total anthropogenic emissions in 1990)
Source: IPCC, 1992
| Sources | CO2 | CH4 | N2O | CFCs |
|---|---|---|---|---|
| Energy | 80 | 26 | 9 | |
| Deforestation/land clearing | 18 | | 17 | |
| Other industry | 3 | | 15 | 100 |
| Fertilised soils | | | 48 | |
| Enteric fermentation | | 24 | | |
| Rice cultivation | | 17 | | |
| Landfills | | 11 | | |
| Biomass burning | | 8 | 11 | |
| Animal waste | | 7 | | |
| Domestic sewage | | 7 | | |