Clearly we could devastate the world... as far as we know, the Earth is the only place in the universe where there is life. Its continued survival now rests in our hands

Birds are the most popular group in the animal kingdom. We feed them and tame them and think we know them. And yet they inhabit a world which is really rather mysterious.

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

Terrorism is an immediate problem that people are very concerned about, and I am as concerned about that as anyone else. But it isn't an either or situation.

If you watch animals objectively for any length of time, you're driven to the conclusion that their main aim in life is to pass on their genes to the next generation.

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

I would love to see a giant squid. Very few people have seen them. And only about half a dozen people have seen one alive.