1
the quality of not being harmful to the environment or depleting natural resources, and thereby supporting long-term ecological balance
2
having a beneficial effect on the environment or at least not causing environmental damage
3
the activity of controlling something, or of using or dealing with something in a way that is effective
6
Subtraction of a residue to its definitive abandonment
7
describes the material that loses utility after having fulfilled its function
8
a powerful effect that something, especially something new, has on someone or something
