We had other currencies that we could find work in - the currencies of movements: passion, spirit, creativity.

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

Especially in recent years, the more and more we understand what we are doing, the more we have the science to tell us what we're doing, the fact that we continue to do it without taking steps to address it strikes me as, among many other things, irreverent in an extreme.

I think that it is impossible to think of a threat to social justice greater than what we are doing to the earth's atmosphere at the moment.

We spend a lot of time playing defence against bad things. So, in the US, one of the focusses has been this huge Keystone Pipeline project, another has been the coal ports on the Pacific Ocean.

In 50 years, no one will care about the fiscal cliff or the Euro crisis. They'll just ask, "So the Arctic melted, and then what did you do?"

A price on carbon sufficient to keep 80% of current reserves underground, rebated directly to citizens.