The Bush-Cheney administration had betrayed some basic American values. So there was hunger for change.

While President Bush likes to project an image of strength and courage, the real truth is that in the presence of his large financial contributors, he is a moral coward.

You have to rip your opponent's lungs out and then move on.

Because these consequences are distributed globally, the problem masquerades as a distraction. Because the length of time between causes and consequences stretches out longer than we're used to dealing with, it gives us the illusion that we have the luxury of time. Neither of those things is true.

There's lots about politics I don't feel comfortable with. To talk about the politics of future ideas is impossible in soundbite form.

Anyone who deals with the climate crisis has an internal dialogue between hope and despair, because the challenge is so huge and the danger is so great and the stakes are so high. But I have always resolved that in favour of hope, and actually I'm more hopeful now than I was a decade ago when the solutions were visible on the horizon, but you had to seek reassurance that the technology experts that they're coming, they'll be here.

Our new technologies, combined with our numbers, have made us, collectively, a force of nature