We cannot hope to either understand or to manage the carbon in the atmosphere unless we understand and manage the trees and the soil too.

The media always tries to make everything into a disaster, but it's mostly rubbish.

The technologies that raise the fewest ethical problems are those that work on a human scale, brightening the lives of individual people.

Committees do harm merely by existing.

It makes very little sense to believe the output of the climate models.

Everything in my life was luck. The key to having an interesting life is to always say "yes" to anything crazy.

Science is not a collection of truths. It is a continuing exploration of mysteries.