I think we need to think of lots of ways to communicate. And we tried some at 350. We organised what they called the largest art project in the planet's history. We do a lot with art and music and things.

The end of nature sours all my material pleasures. The prospect of living in a genetically engineered world sickens me. And yet it is toward such a world that our belief in endless material advancement hurries us. As long as that desire drives us, here is no way to set limits.

No one is strong enough  -  given the magnitude of the task, everyone has to step up their game.

There is nothing that will discombobulate and degrade [more] the lives of people near the margin on this planet. You don't have to look much past New Orleans to see that. Who took the hit? Some of the poorest people in the U.S.

Oil companies are radical because they're willing to alter the chemical composition of the atmosphere.

My guess is that liberating the fossil fuel industry to frack anywhere they want will drive down the rate at which we're converting to sun and wind. And it's entirely a rate problem at this point.

[Kids] will grow up into a world that's difficult and wonderful, and they'll make the best of it they can, and hopefully help turn it in the best possible direction.