Those of us in the west have figured out a lot of ways to damage the lives of poor people in this country and around the world over the years.

The thing about global warming is that you can address it on a great number of levels - in fact you have to.

[Political actions] has to happen on the local and state level; we have to convince our cities to join the growing number of more than 200 American cities who have signed on to the mayor's climate campaign.

What makes us different? We're the creature that can decide not to do something that we are capable of doing.

What we're talking about is the endless, gullible elevation of necessary levels of comfort and status and everything else at the complete expense of all around us. It's going to take us a long time to learn how to climb down a little bit from the heights on which we have put ourselves.

But the truth is that we could win every other fight that we face and if we lose the climate fight, the other victories will be pyrrhic. I don't think even people who are worried about climate change quite understand the scale and speed with which we're now shifting the planet.

I did very much like [Barack] Obama's attack on fossil fuel subsidies for fossil fuel companies. We asked for that in demonstrations and petitions, and now we'll try to push it forward.