ghg | emissions_2009_million_tonnes | emissions_1990_million_tonnes | emissions_1950_million_tonnes |
---|---|---|---|
CO2 | 1.76 | 1.288732214 | 0.594955859 |
CH4 | 0.502 | 0.470354525 | 0.235243101 |
N2O | 0.172 | 0.129200535 | 0.064408219 |
PFC,HFC,SF6 | 0.015 | 0.0111088 | 0 |
Montreal gasses | 0.26 | 0.229976021 | 0 |