Psychologically speaking, the rational, healthy response to climate change is to say to oneself, "What can I do about this?" But that question is often answered through individual action.

Climate change is the sine qua non of continued civilization. We either solve this, or it's lights out. Turning into a collective like that is so much more aligned with how humans live and think and change.

My grandmother is a Holocaust survivor. Some heroes of mine have long been the Jewish Partisans, these young people who just went into the woods with whatever guns and bombs and what not they could get their hands on, and just would fight Nazis, and try to help people escape.

I think 99% of climate scientists would agree that we need to reduce emissions as quickly as possible, and then begin removing greenhouse gasses and carbon from the air. And if we don't do that we are looking at some range of catastrophe.

I used to be a lot more afraid of climate change. Now I spend my time working, planning, trying to move forward.

Climate change has been associated so much with a peaceful mentality - obviously peace and love are good, but we need to think about climate as a threat to survival.

Online petitions are built around getting as many signatures as possible. But the experience of taking them and forgetting about them degrades the importance.