How do human actions affect the character of a place over time?

I’m not sure what your referring to this question as but over time our society advances or makes new cities and we have to cut down trees and plants in order to make these cities. Trees produce oxygen which we need to breathe and if we keep cutting them down then our oxygen supply is going to decrease. Needless to say the more humans evolve the more our environment evolves.

Each mans success depends on his own hard work

Aor d are either one of the answers to that.