The ability to write compelling emails may be the single most useful talent an organizer can possess.

We can either save the planet from catastrophic warming, or protect fossil fuel CEOs. Not both. Do the math(s)

I think [George W.] Bush has done nothing right about global warming.

We're not at the point of trying to stop global warming; it's too late for that. We're trying to keep it from becoming a complete and utter calamity

Certainly, packets of sea ice, in say the Arctic, which have failed to fully reform in the last couple of years.

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

We're putting more carbon into the atmosphere than the atmosphere can absorb. And everybody told us when we started, coz we knew nothing when we started - we still don't know very much - but everybody told us 'this is crazy, you don't use a scientific data point, it's a number, people don't respond to numbers'.