| Similarity | Rank | |
|---|---|---|
| water_management | 0.698 | 19218 |
| water_scarcity | 0.694 | 48604 |
| water_crisis | 0.693 | 78088 |
| water_policy | 0.688 | 81776 |
| water_resource | 0.676 | 11673 |
| water_resource_management | 0.671 | 64165 |
| water_security | 0.660 | 76795 |
| environmental_issue | 0.656 | 11632 |
| water_conservation | 0.645 | 25962 |
| water_shortage | 0.642 | 40423 |
| energy_issue | 0.637 | 64401 |
| climate_change_issue | 0.628 | 92368 |
| groundwater | 0.600 | 10207 |
| water_usage | 0.600 | 66857 |
| environmental_problem | 0.598 | 25380 |
| water_availability | 0.594 | 60520 |
| water_right | 0.594 | 31941 |
| sustainability_issue | 0.592 | 67594 |
| the_water_sector | 0.587 | 69263 |
| water_quality | 0.574 | 8567 |
| development_issue | 0.572 | 40258 |
| water_infrastructure | 0.565 | 84179 |
| local_issue | 0.564 | 42054 |
| water_user | 0.564 | 67216 |
| global_issue | 0.562 | 34072 |