They have to have some place to live, something to eat, some way to raise their children. The human population growth, which has almost tripled since I was born, is the fundamental problem. We can talk about conservation at length, but we’ll only be able to preserve small groups of animals and the world’s crevices and carefully protected parks and zoos, unless we control our population. Not one nation on earth has a serious population policy. China, they did, I think they’ve relaxed it. No country is saying we can’t handle more people without damaging our environment. No politician wishes to say that all the problems we have with energy, are just due to too many people. We talk about controlling carbon problems in the west.