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

I think it's very important to invite and encourage people to talk about climate change who have a lay understanding. In general, there is a lot of confusion among climate activists about the role of science, that scientists should be social and political leaders of this movement.

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 argue that I don't think it's a moral position to say that civilization is going to collapse, and that's okay. Because that would cause the deaths of billions of people. It's certainly not something I'm willing to accept.

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

There are a lot of reasons people don't talk about climate change. One of them has to do with the language of science, and people feeling not competent about this issue.

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