[Oh boy. He is not, but she has a childish enthusiasm that he can appreciate.]

People can be truly despicable, [he agrees instead of commenting directly on what, exactly, is so despicable. He doesn't really care about the earth, or or nature, or plants and animals going extinct, but nor does he particularly care overmuch about the future of the human race, either.]

It's an interesting way of looking at it. Unfortunately as things stand right now, I'm afraid many of the powerful people in society would be loathe to give it up.