| Similarity | Rank | |
|---|---|---|
| environmental_issue | 0.772 | 11632 |
| sustainability | 0.733 | 1720 |
| environmental_sustainability | 0.711 | 17668 |
| climate_change_issue | 0.685 | 92368 |
| sustainable_practice | 0.680 | 50682 |
| sustainability_initiative | 0.677 | 87399 |
| environmental_concern | 0.667 | 27548 |
| global_issue | 0.662 | 34072 |
| sustainable_development | 0.646 | 5196 |
| energy_issue | 0.642 | 64401 |
| environmental_problem | 0.638 | 25380 |
| resource_efficiency | 0.632 | 54134 |
| development_issue | 0.617 | 40258 |
| environmental_awareness | 0.614 | 50481 |
| sustainable_business | 0.610 | 71848 |
| environmental_challenge | 0.608 | 68452 |
| environmental_performance | 0.605 | 67213 |
| global_challenge | 0.603 | 41446 |
| sustainable_building | 0.601 | 66571 |
| social_justice_issue | 0.600 | 77318 |
| environmental_impact | 0.599 | 13807 |
| social_responsibility | 0.593 | 15795 |
| water_issue | 0.592 | 44788 |
| environmental_policy | 0.592 | 21977 |
| sustainable_design | 0.590 | 44445 |