The human population can no longer be allowed to grow in the same old uncontrollable way. If we do not take charge of our population size, then nature will do it for us and it is the poor people of the world who will suffer most

Climate change will affect the whole of humanity, while terrorist attacks will only affect a small section of humanity. Of course, you wouldn't say that if you were related to someone who had been beheaded or blown up or murdered. But humanity is facing a very big, slow, long, drawn-out threat, and that is to do with the way the weather is changing and the size of the population.

The more you go on, the less you need people standing between you and the animal and the camera waving their arms about.

All the modern devices we have enable us to investigate things and have enabled us to do better.

An understanding of the natural world and what's in it is a source of not only a great curiosity but great fulfillment...

The notion of ever more old people needing ever more young people, who will in turn grow old and need even more young people, and so on ad infinitum, is an obvious ecological Ponzi scheme.

I'm not an animal lover if that means you think things are nice if you can pat them, but I am intoxicated by animals.