| Abbreveatiom | Content | ||
| BY | base year | ||
| E_t | Emissions in the year t | ||
| Gt | billion tons | ||
| ISA | International Shipping + International Aviation | ||
| LUC | Land-use change | ||
| Mill. t | Million tons | ||
| P | Population | ||
| R_t | Reducion amount in the year t | ||
| RR_SY | Reduction rate resp. change rate in start year (first year without actual emissions) | ||
| RR_t | Reduction rate resp. change rate in year t | ||
| t | year | ||
| TV | threshold value RM 1 - 5 | ||