| Similarity | Rank | |
|---|---|---|
| environmental_protection | 0.827 | 10347 |
| environmental_conservation | 0.687 | 53776 |
| sustainable_development | 0.669 | 5196 |
| nature_conservation | 0.650 | 48472 |
| pollution_control | 0.649 | 79900 |
| waste_management | 0.644 | 16497 |
| environmental_management | 0.640 | 28442 |
| biodiversity_conservation | 0.616 | 50692 |
| energy_conservation | 0.615 | 27969 |
| environmental_sustainability | 0.611 | 17668 |
| climate_protection | 0.611 | 84663 |
| environmental_issue | 0.610 | 11632 |
| environmental_technology | 0.583 | 82794 |
| environmental_quality | 0.582 | 55712 |
| water_conservation | 0.579 | 25962 |
| environmental_awareness | 0.576 | 50481 |
| environmental_pollution | 0.575 | 52695 |
| international_cooperation | 0.574 | 17722 |
| resource_efficiency | 0.571 | 54134 |
| rural_development | 0.571 | 20570 |
| socio-economic_development | 0.569 | 59773 |
| water_management | 0.566 | 19218 |
| natural_resource_management | 0.565 | 33163 |
| solid_waste_management | 0.565 | 88395 |
| environmental_concern | 0.565 | 27548 |