| CeCS | Cement Carbonation Sink | |
| CS | Consensus Score | |
| eL | excluding land-use (LUC resp. LULUCF) | |
| iL | including land-use (LUC resp. LULUCF) | |
| ISA | CO2 emissions from international shipping and aviation | |
| LUC | CO2 emissions due to land-use change. | |
| LUC-R | Range between the highest and lowest values | |
| LULUCF | Land Use, Land Use Change and Forestry |