Nothing in the natural world makes sense - except when seen in the light of evolution

Its about cherishing the woodland at the bottom of your garden or the stream that runs through it. It affects every aspect of life.

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.

It's extraordinary how self-obsessed human beings are. The things that people always go on about is, 'tell us about us', 'tell us about the first human being'. We are so self-obsessed with our own history. There is so much more out there than what connects to us.

It is vital that there is a narrator figure whom people believe. That's why I never do commercials. If I started saying that margarine was the same as motherhood, people would think I was a liar.

Clearly we could devastate the world... as far as we know, the Earth is the only place in the universe where there is life. Its continued survival now rests in our hands

If we were all to reduce our demands for energy, it would make an enormous amount of difference.