Nothing in the natural world makes sense - except when seen in the light of evolution

Bringing nature into the classroom can kindle a fascination and passion for the diversity of life on earth and can motivate a sense of responsibility to safeguard it.

Many individuals are doing what they can. But real success can only come if there is a change in our societies and in our economics and in our politics.

Do we really require so many gardening programmes, makeover programmes or celebrity chefs?

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.

We really need to kick the carbon habit and stop making our energy from burning things. Climate change is also really important. You can wreck one rainforest then move, drain one area of resources and move onto another, but climate change is global.

I don't know [why we're here]. People sometimes say to me, 'Why don't you admit that the humming bird, the butterfly, the Bird of Paradise are proof of the wonderful things produced by Creation?' And I always say, well, when you say that, you've also got to think of a little boy sitting on a river bank, like here, in West Africa, that's got a little worm, a living organism, in his eye and boring through the eyeball and is slowly turning him blind. The Creator God that you believe in, presumably, also made that little worm. Now I personally find that difficult to accommodate.