| Similarity | Rank | |
|---|---|---|
| GHG | 0.917 | 30079 |
| emissions | 0.889 | 4569 |
| NOx | 0.833 | 55787 |
| gases | 0.816 | 11662 |
| greenhouse | 0.804 | 8346 |
| CO2 | 0.798 | 9992 |
| emission | 0.784 | 13146 |
| methane | 0.770 | 19799 |
| dioxide | 0.770 | 10273 |
| pollutant | 0.770 | 41997 |
| gasses | 0.765 | 45276 |
| Emissions | 0.763 | 37744 |
| pollutants | 0.757 | 16074 |
| toxics | 0.756 | 88988 |
| fossil-fuel | 0.755 | 91442 |
| refrigerants | 0.748 | 92454 |
| anthropogenic | 0.747 | 46957 |
| CFCs | 0.741 | 88142 |
| SO2 | 0.738 | 90224 |
| radiative | 0.738 | 79463 |
| carbon | 0.731 | 3087 |
| hydrocarbons | 0.731 | 32458 |
| biofuels | 0.726 | 26111 |
| pollution | 0.723 | 5841 |
| renewables | 0.721 | 27442 |