 |
| environmental resources: 49 phrases in 17 subjects |
| Astronautics | 6 |
| Caspian | 1 |
| Construction | 2 |
| Ecology | 7 |
| Energy industry | 7 |
| European Bank for Reconstruction and Development | 2 |
| General | 7 |
| Law | 2 |
| Medical | 2 |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Production | 1 |
| Sakhalin | 2 |
| Statistics | 1 |
| Technology | 2 |
| United Nations | 4 |
| Water supply | 1 |