I think that it is impossible to think of a threat to social justice greater than what we are doing to the earth's atmosphere at the moment.

All the science in the last few years, or almost all of it, really serves to show that the [climate] effects are larger and more rapid than we had thought even a decade ago.

Look - every time is the wrong time and the perfect time to have a kid, and you just do it when you can.

You think OWS is radical? You think 350.org was radical for helping organize mass civil disobedience in D.C. in August against the Keystone Pipeline? We're not radical. Radicals work for oil companies. The CEO of Exxon gets up every morning and goes to work changing the chemical composition of the atmosphere. No one has ever done anything as radical as that, not in all of human history.

everyone knows, at some level, that the sharp line between "good weather" and "bad weather" is a fiction, that we need rain as surely as we need sun.

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

The laws of Congress and the laws of physics have grown increasingly divergent, and the laws of physics are not likely to yield.