The Kyoto treaty has an estimated cost of between US$150 and $350 billion a year, starting in 2010.

The fact that we're catching more fish per person than we've ever done before doesn't mean that there are not particular places where we've managed fisheries badly.

Even if I was a bad right wing guy, to the extent of whether my arguments are right or wrong, they're right or wrong independently if I'm right or left.

On average, global warming is not going to harm the developing world.

We worry about the seemingly ever-increasing number of natural catastrophes. Yet this is mainly a consequence of CNN - we see many more, but the number is roughly constant, and we manage to deal much better with them over time. Globally, the death rate from catastrophes has dropped about fifty-fold over the past century.

I'm an old member of Greenpeace. I worried intensely, as I think most of my friends did, that the world was coming apart.

The Kyoto treaty has an estimated cost of between US$150 and $350 billion a year, starting in 2010.