| Similarity | Rank | |
|---|---|---|
| waste_management | 0.820 | 16497 |
| solid_waste | 0.769 | 32002 |
| wastewater_treatment | 0.717 | 51114 |
| waste_disposal | 0.711 | 44322 |
| sewerage | 0.667 | 65854 |
| stormwater_management | 0.658 | 98827 |
| water_resource_management | 0.654 | 64165 |
| wastewater | 0.652 | 16254 |
| sanitation | 0.650 | 11173 |
| water_management | 0.647 | 19218 |
| environmental_management | 0.644 | 28442 |
| waste_reduction | 0.640 | 64360 |
| water_treatment | 0.637 | 44454 |
| water_conservation | 0.628 | 25962 |
| pollution_control | 0.617 | 79900 |
| rainwater_harvesting | 0.613 | 98957 |
| industrial_waste | 0.610 | 70885 |
| and_sanitation | 0.606 | 15331 |
| land_use_planning | 0.604 | 62183 |
| water_pollution | 0.602 | 34005 |
| waste_water | 0.600 | 36994 |
| recycling | 0.599 | 5364 |
| environmental_engineering | 0.597 | 79017 |
| Waste_Management | 0.595 | 37837 |
| sewage_system | 0.595 | 73638 |