 |
| |||
| eco-friendly; pollution-free | |||
| environmentally safe; organic | |||
| environmentally benign (technology, технологія) | |||
| ecologically safe | |||
| екологічно чистий: 20 phrases in 6 subjects |
| Aviation | 1 |
| Ecology | 7 |
| Economy | 3 |
| Environment | 3 |
| Finances | 4 |
| Natural resourses and wildlife conservation | 2 |