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.

We keep putting on programmes about famine in Ethiopia; that’s what’s happening. Too many people there. They can’t support themselves — and it’s not an inhuman thing to say. It’s the case. Until humanity manages to sort itself out and get a coordinated view about the planet it’s going to get worse and worse.

I had a huge advantage when I started 50 years ago - my job was secure. I didn't have to promote myself. These days there's far more pressure to make a mark, so the temptation is to make adventure television or personality shows. I hope the more didactic approach won't be lost.

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.

We can now manipulate images to such an extrodinary extent that there's no lie you cannot tell.

Instead of controlling the environment for the benefit of the population, perhaps we should control the population to ensure the survival of our environment

I don't think whole populations are villainous, but Americans are just extraordinarily unaware of all kinds of things. If you live in the middle of that vast continent, with apparently everything your heart could wish for just because you were born there, then why worry? [...] If people lose knowledge, sympathy and understanding of the natural world, they're going to mistreat it and will not ask their politicians to care for it.