Relating to ecology, the interrelationships of organisms and their environment.(adjective)
Not harmful to the environment(adjective)
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Use "ecological" in a sentence
"Major international conferences of ecologists and economists have been held since then, many ecological economic institutes have been formed around the world, and a significant number of books have appeared with the term ecological economics in their titles [45]."
"Finally, once we begin to think of human groups of all sorts as like species interacting with each other in an ecosystem -- what I call the ecological/evolutionary paradigm -- we can begin to think more constructively about how to manage between-group interactions, religious and otherwise."
"In her 2003 book Tucker expresses the optimistic opinion that world religions are entering a second axial age which she calls their ecological phase."