I'm not a propagandist, I'm not a polemicist; my primary interest is just looking at and trying to understand how animals work.

Instead of controlling the environment for the benefit of the population, perhaps we should control the population to ensure the survival of our environment

As far as I'm concerned, if there is a supreme being then He chose organic evolution as a way of bringing into existence the natural world... which doesn't seem to me to be necessarily blasphemous at all.

I've been to Nepal, but I'd like to go to Tibet. It must be a wonderful place to go. I don't think there's anything there, but it would be a nice place to visit.

One in eight plant species face extinction.

There are perfectly good independent small nations.

The fact is that no species has ever had such wholesale control over everything on earth, living or dead, as we now have. That lays upon us, whether we like it or not, an awesome responsibility. In our hands now lies not only our own future, but that of all other living creatures with whom we share the earth.