We can now destroy or we can cherish-the choice is ours.

Natural history is not about producing fables.

It is that range of biodiversity that we must care for - the whole thing - rather than just one or two stars.

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.

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

You'll find people where their conditions aren't changing in any way, its rather rare for them to be happy.

Steve Irwin did wonderful conservation work but I was uncomfortable about some of his stunts. Even if animals aren't aware that you are not treating them with respect, the viewers are.