I have no doubt that the fundamental problem the planet faces is the enormous increase in the human population

I suffer much less than many of my colleagues. I am perfectly able to go to Australia and film within three hours of arrival.

All our environmental problems become easier to solve with fewer people and harder - and ultimately impossible to solve - with ever more people.

I don't approve of sunbathing, and it's bad for you.

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 like animals. I like natural history. The travel bit is not the important bit. The travel bit is what you have to do in order to go and look at animals.

All the modern devices we have enable us to investigate things and have enabled us to do better.