| Similarity | Rank | |
|---|---|---|
| air_pollutant | 0.837 | 77087 |
| contaminant | 0.798 | 17936 |
| pollution | 0.784 | 4581 |
| particulate_matter | 0.784 | 54856 |
| nitrogen_oxide | 0.758 | 78932 |
| toxic_substance | 0.749 | 64101 |
| air_pollution | 0.746 | 13199 |
| pollution_from | 0.739 | 77604 |
| particulate | 0.738 | 43599 |
| dioxin | 0.715 | 55824 |
| hazardous_substance | 0.714 | 62680 |
| NOx | 0.707 | 71494 |
| sulfur_dioxide | 0.701 | 93673 |
| water_pollution | 0.689 | 34005 |
| carcinogen | 0.687 | 61516 |
| toxic_chemical | 0.682 | 31858 |
| toxin | 0.678 | 10858 |
| ozone | 0.678 | 18722 |
| organic_compound | 0.675 | 62871 |
| hazardous_waste | 0.674 | 31432 |
| greenhouse_gas | 0.673 | 18514 |
| eutrophication | 0.664 | 69479 |
| effluent | 0.664 | 39640 |
| sediment | 0.663 | 9378 |
| mercury | 0.662 | 12741 |