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 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.

While the American people have the impression that scientists are hard at work figuring out this complex matter of climate change, it's not actually that complicated.

Social movements throughout history take place in people's minds. If we got 5,000 Americans who were talking about climate change to their neighbors and to their coworkers, and talking about this pledge, that would change the political and social landscape so much more than if 5,000 people got arrested for protesting a pipeline.

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

By looking the other way on climate change we facilitate a collective denial, and we do it for each other.