The nature of human beings is that they'd far rather face the disaster that is happening tonight than the one that is happening tomorrow.

I've been bitten by a python. Not a very big one. I was being silly, saying: 'Oh, it's not poisonous' Then, wallop! But you have fear around animals.

Crying wolf is a real danger.

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

The notion of ever more old people needing ever more young people, who will in turn grow old and need even more young people, and so on ad infinitum, is an obvious ecological Ponzi scheme.

The reverse side of the coin in having this extraordinary ability to go anywhere, is that no one anywhere is remote any more.

There is no question that climate change is happening; the only arguable point is what part humans are playing in it.