There's a small worm called Loa Loa Filariasis. This parasite can survive in one environment exclusively- namely, underneath the skin and inside the eyes of human beings. Children and the elderly in tropical regions (usually the poorest) are the most widely affected. A painful, slow death is virtually certain. The worm can actually live in the host for 17 years before the host finally dies.

Can a growing human population still leave space for wildlife?

You can only get really unpopular decisions through if the electorate is convinced of the value of the environment. That's what natural history programmes should be for.

You have to steer a course between not appalling people, but at the same time not misleading them.

I think a major element of jetlag is psychological. Nobody ever tells me what time it is at home.

I'm a humanist. I'm neither one side nor the other.

There are perfectly good independent small nations.