The climate suits me, and London has the greatest serious music that you can hear any day of the week in the world - you think it's going to be Vienna or Paris or somewhere, but if you go to Vienna or Paris and say, 'Let's hear some good music', there isn't any.

Until humanity manages to sort itself out and get a co-ordinated view about the planet, it's going to get worse and worse.

Many individuals are doing what they can. But real success can only come if there is a change in our societies and in our economics and in our politics.

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

Can a growing human population still leave space for wildlife?

If I were beginning my career today, I don't think I would take the same direction. Television is at a crossroads at the moment. And although I am not up to date technologically, I suspect that somewhere out there people are conveying things about natural history by means other than television, and I think if I were beginning today, I'd be there.

I believe the Abominable Snowman may be real. I think there may be something in that.