( I tend to hold the view that the Orthodox Judaism is pretty specific about why the world was created and what our purpose here is and nothing that I have learnt yet includes environmentalism).
לעבדה ולשמרה
Midrash says that Hashem showed Adam all of the trees in Gan Eden, told him all this beauty was created for Adam, and warned him to not destroy His world because if he did no one would repair it after him.
Learnt something.