Cameramen are among the most extraordinarily able and competent people I know. They have to have an insight into natural history that gives them a sixth sense of what the creature is going to do, so they can be ready to follow.

I'm not over-fond of animals. I am merely astounded by them.

How could I look my grandchildren in the eye and say I knew what was happening to the world and did nothing.

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

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

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.

I just wish the world was twice as big and half of it was still unexplored.