ecological
adjective OPAL W
  /ˌiːkəˈlɒdʒɪkl/
  /ˌiːkəˈlɑːdʒɪkl/
- connected with the relation of plants and living creatures to each other and to their environment- We risk upsetting the ecological balance of the area.
- an ecological disaster (= one that alters the whole balance of ecology in an area)
 
- interested in and concerned about the ecology of a place- the ecological movement