| Similarity | Rank | |
|---|---|---|
| pollution | 0.826 | 4581 |
| environmental_pollution | 0.775 | 52695 |
| air_pollution | 0.736 | 13199 |
| water_quality | 0.733 | 8567 |
| pollution_from | 0.725 | 77604 |
| environmental_degradation | 0.712 | 26308 |
| eutrophication | 0.700 | 69479 |
| pollutant | 0.689 | 14162 |
| soil_erosion | 0.681 | 44582 |
| acid_rain | 0.678 | 69028 |
| environmental_problem | 0.670 | 25380 |
| pollution_control | 0.667 | 79900 |
| environmental_damage | 0.645 | 43109 |
| noise_pollution | 0.645 | 71288 |
| deforestation | 0.641 | 14334 |
| Pollution | 0.638 | 67166 |
| loss_of_biodiversity | 0.638 | 94363 |
| environmental_quality | 0.637 | 55712 |
| habitat_destruction | 0.635 | 88499 |
| industrial_waste | 0.635 | 70885 |
| biodiversity_loss | 0.631 | 86453 |
| air_quality | 0.626 | 15064 |
| land_degradation | 0.626 | 65390 |
| ground_water | 0.625 | 30977 |
| waste_disposal | 0.622 | 44322 |