why our nature is in danger? (почему наша природа в угрозы)

Because people do lots of things that destroy our nature. They cut down woods, thereby depriving animals of their houses. They kill animals for fur, skins and horns. People forget that water reserves aren't eternal. To avoid this, we can econome water, hand over waste paper, less use plastic things and sort our rubbish.

because we killing nature by cars weapons