Until now I believed that the nation that has done most to sabotage a new climate change agreement was the United States. I was wrong. The real villain is Canada. Unless we can stop it, the harm done by Canada in December 2009 will outweigh a century of good works.

If global warming is not contained, the West will face a choice of a refugee crisis of unimaginable proportions, or direct complicity in crimes against humanity.

All the money, all the prestige in the world will never make up for the loss of your freedom.

Every time someone dies as a result of floods in Bangladesh, an airline executive should be dragged out of his office and drowned.

Almost all systems of economic thought are premised on the idea of continued economic growth, which would be fine and dandy if we lived on an infinite planet, but there's this small, niggling, inconvenient fact that the planet is, in fact, finite, and that, unlike economic theory, it is governed by physical and biological reality

We are often told we are materialistic. It seems to me, we are not materialistic enough. We have a disrespect for materials. We use it quickly and carelessly. If were genuinely materialistic people, we would understand where materials come from and where they go to. But, at the moment, the entire global economy seems to be built on the model of digging things up from one hole in the ground on one side of the earth, transporting them around the world, using them for a few days, and sticking them in a hole in the ground on the other side of the world.

Almost everywhere, climate change denial now looks as stupid and as unacceptable as Holocaust denial.