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| environment friendly Human activities, enterprises or products that reinforce rather than undermine the integrity of the ecosystem; environment-friendly; environmentally friendly | |||
| ecological | |||
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ecologic : 118 do fraz, 12 tematyki |
| Chemia | 1 |
| Dawniej | 2 |
| Ekonomia | 12 |
| Handel | 13 |
| Księgowość | 2 |
| Medycyna | 2 |
| Nauki o życiu | 2 |
| Ochrona środowiska | 78 |
| Polityka | 2 |
| Prawo karne | 1 |
| Rolnictwo | 2 |
| Technologia informacyjna | 1 |