| Subject | English | Spanish |
| environ. | ecologically efficient centre | centro ecológicamente eficaz |
| hobby, environ., food.ind. | ecologically friendly catering | restauración ecológica |
| environ. | ecologically homogeneous area | ecorregión |
| environ. | ecologically homogeneous area | zona ecológicamente homogénea |
| UN, ecol. | ecologically rational waste management | gestión ecológicamente racional de desechos |
| nat.res., fish.farm. | ecologically related species | especies emparentadas desde el punto de vista ecológico |
| environ. | ecologically sensitive area | zona ecológicamente sensible |
| environ. | ecologically sensitive area | área sensible ecológica |
| environ. | ecologically sensitive area Area where it is likely that a change in some parts of the system will produce a recognizable response | área sensible ecológica |
| polit. | ecologically sound development sustainable development | beneficioso al desarrollo ecológico (desarrollo sostenible) |
| polit. | ecologically sound development | beneficioso al desarrollo ecológico (sustainable development, desarrollo sostenible) |
| polit. | ecologically sound farming sustainable agriculture | agricultura ecológica (ecoagricultura) |
| polit. | ecologically sound farming | agricultura ecológica (sustainable agriculture, ecoagricultura) |
| agric. | ecologically sound product | producto ecológico |
| UN | ecologically sound technology | tecnología ambiental |
| UN | ecologically sound technology | tecnología relacionada con el medio ambiente |
| UN | ecologically sound technology | tecnología ecológicamente racional |
| environ., agric., food.ind. | ecologically stressed area | zona sometida a tensiones ambientales |
| environ., agric. | ecologically sustainable farming | agricultura ecológicamente sostenible |
| environ., agric. | ecologically sustainable farming | agricultura "ecocompatible" |
| UN, biol., sec.sys. | ecologically sustainable forest management | ordenación forestal ecológicamente sostenible |
| econ., environ. | ecologically sustainable growth | crecimiento verde |
| econ., environ. | ecologically sustainable growth | crecimiento ecológico |
| econ., environ. | ecologically sustainable growth | crecimiento ecológicamente sostenible |
| environ. | ecologically-targeted development | desarrollo ecológico |
| econ., environ. | ecologically unequal exchange | intercambio ecológicamente desigual |