| Similarity | Rank | |
|---|---|---|
| pollution | 0.808 | 4581 |
| air_pollution | 0.758 | 13199 |
| pollutant | 0.739 | 14162 |
| water_pollution | 0.725 | 34005 |
| emission_from | 0.705 | 32492 |
| pollute | 0.700 | 14591 |
| air_pollutant | 0.693 | 77087 |
| particulate_matter | 0.669 | 54856 |
| nitrogen_oxide | 0.664 | 78932 |
| acid_rain | 0.659 | 69028 |
| industrial_waste | 0.649 | 70885 |
| smog | 0.640 | 39059 |
| toxic_waste | 0.636 | 66397 |
| emission | 0.631 | 4559 |
| environmental_damage | 0.630 | 43109 |
| environmental_pollution | 0.629 | 52695 |
| toxic_chemical | 0.629 | 31858 |
| dioxin | 0.627 | 55824 |
| contaminant | 0.625 | 17936 |
| noise_pollution | 0.625 | 71288 |
| sulfur_dioxide | 0.622 | 93673 |
| greenhouse_gas_emission | 0.621 | 18703 |
| carbon_dioxide_emission | 0.619 | 61386 |
| particulate | 0.618 | 43599 |
| reduce_pollution | 0.618 | 88472 |