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| |||
| environmentally sound (чистый, безопасный, безвредный) | |||
| environmentally sound | |||
| экологически рациональный: 37 phrases in 11 subjects |
| Astronautics | 3 |
| Automobiles | 1 |
| Business | 1 |
| Concrete | 1 |
| Ecology | 18 |
| Fat-and-oil industry | 1 |
| Forestry | 1 |
| General | 4 |
| Mining | 1 |
| Real estate | 1 |
| United Nations | 5 |