From Longman Dictionary of Contemporary Englishecologicale‧co‧lo‧gi‧cal /ˌiːkəˈlɒdʒɪkəl◂ $ -ˈlɑː-/ ●●○ adjective [only before noun] 1 SGEconnected with the way plants, animals, and people are related to each other and to their environment → environmental an ecological disaster2 SGESSOinterested in preserving the environment → environment ecological groups —ecologically /-kli/ adverb This method of growing crops is effective and ecologically sound (=not likely to harm the environment).
Examples from the Corpus
ecological• Each team works in 3 villages of a chosen ecological and cultural region, with 8 months in each of the villages.• The government is to provide incentives for people to protect natural ecological assets such as forests.• There are warnings that the building of the dam will upset the ecological balance of the river basin.• As dump opponents had feared, it explicitly sidesteps many of the ecological concerns raised last fall by Park Service scientists.• Rampart Dam, however, was an ecological disaster probably with-out precedent in the world.• This recognition has had a major impact, not only in the ecological field but also in that of Earth Mysteries.• We could conceivably escape disaster, but we seem destined, absent real change, for ecological impoverishment.• Previous studies have assessed the amenity role of countryside open-spaces using separate ecological, landscape and recreational criteria.• Ecotopian biotechnology on the contrary would possess an infrastructure based firstly on ecological rationality and secondarily on an economic basis.• But in ecological terms, something catastrophic had occurred. 