I'm probably the wrong person to ask. My partner in much of this work [climate movement], who really came up with the divestment campaign with me, Naomi Klein, I think has written powerfully about this.

[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.

The technology we need most badly is the technology of community, the knowledge about how to cooperate to get things done.

A third of summer sea ice in the Arctic is gone, the oceans are 30 percent more acidic, and since warm air holds more water vapor than cold, the atmosphere over the oceans is a shocking five percent wetter, loading the dice for devastating floods.

All things considered, the internet seems fairly environmentally benign to me. The last stats I saw showed you could do 1,000 Google searches for the gas it took to drive six-tenths of a mile. But the internet can't substitute for real connection and community.

I think the same around the world. At 350.org we just trained 500 young people from around the world in Istanbul for a few weeks. We had 5000 applications from young people who wanted to be part of the training. There's real hunger out there.

When you are in a hole, stop digging!