I often get letters, quite frequently, from people who say how they like the programmes a lot, but I never give credit to the almighty power that created nature.

The World is full of wonders, but they become more Wonderful, not less Wonderful when Science looks at them.

It's a moral question about whether we have the right to exterminate species.

Now, I find that very difficult to reconcile with notions about a merciful God.

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

You can only get really unpopular decisions through if the electorate is convinced of the value of the environment. That's what natural history programmes should be for.

Nature isn't positive in that way. It doesn't aim itself at you. It's not being unkind to you.