Many characters in the novel are representative of types that exist in India. He represents the caste system in India with an air of superiority, the caste system in India and the people thinking that western things are better.
If you look at it ecologically, deforestation is high on the list of things which bring devastation. You cut down trees to build homes, for fuel, and you end up with no trees left, and you have to move on. If you take the earth as a whole, eventually there's nowhere to move on to.
There we were in the middle of a sexual revolution wearing clothes that guaranteed we wouldn't get laid.