This programme to stop nuclear by 2020 is just crazy. If there were a nuclear war, and humanity were wiped out, the Earth would breathe a sigh of relief.

Science always uses metaphor.

Evolution is a tightly coupled dance, with life and the material environment as partners. From the dance emerges the entity Gaia.

All the modelling we do shows that the climate is poised on the jump up to a new hot state. It is accelerating so fast that you could say that we are already in it.

I'm not a pessimist, even though I do think awful things are going to happen.

By the end of this century, climate change will reduce the human population to a few breeding pairs surviving near the Arctic.

We rushed into renewable energy without any thought. The schemes are largely hopelessly inefficient and unpleasant. I personally can't stand windmills at any price.