| Similarity | Rank | |
|---|---|---|
| Environmental_Policy | 0.757 | 79363 |
| Environmental | 0.724 | 12483 |
| Environmental_Science | 0.717 | 32182 |
| Resource_Management | 0.711 | 68724 |
| Sustainability | 0.710 | 11115 |
| and_Sustainable_Development | 0.699 | 47267 |
| Environmental_Protection | 0.696 | 42428 |
| Sustainable_Development | 0.695 | 30275 |
| Environmental_Studies | 0.689 | 44458 |
| environmental_management | 0.687 | 28442 |
| Environmental_Engineering | 0.687 | 99326 |
| Environment | 0.676 | 2978 |
| Environmental_Education | 0.670 | 58738 |
| Natural_Resources | 0.666 | 20910 |
| Ecology | 0.666 | 19589 |
| Environmental_Health | 0.664 | 41154 |
| Hydrology | 0.654 | 99226 |
| Water_Resources | 0.654 | 38831 |
| Environmental_Law | 0.650 | 91975 |
| Conservation | 0.647 | 9022 |
| Management | 0.640 | 2242 |
| Urban_Planning | 0.639 | 44171 |
| Forestry | 0.636 | 17303 |
| Quality_Management | 0.631 | 74619 |
| Energy_Management | 0.630 | 97030 |