That people will object very much to seeing a predator killing its prey, and yet, in the news, will accept showing shots of people shooting one another.

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

You've got to be fairly solemn [about the environment]. I mean the mere notion that there are three times as many people on Earth as there were when I started making television. How can the Earth accommodate them? When people, including politicians, set their faces against looking at the consequences-it's just unbelievable that anyone could ignore it.

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.

I mean, it is an extraordinary thing that a large proportion of your country and my country, of the citizens, never see a wild creature from dawn 'til dusk, unless it's a pigeon, which isn't really wild, which might come and settle near them.

That people will object very much to seeing a predator killing its prey, and yet, in the news, will accept showing shots of people shooting one another.

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