Between [Speaker of the House] Paul Ryan, [Senate Majority Leader] Mitch McConnell, and Donald Trump's team, I don't see a lot of openings for making real progress.

It's our own throat that we are cutting in the end along with everyone else's. We need to be exercising precisely the kind of leadership that might allow us to nudge China and India, say, onto different energy trajectories, in order to improve our own chances of surviving this century.

Oil companies are radical because they're willing to alter the chemical composition of the atmosphere.

Especially in recent years, the more and more we understand what we are doing, the more we have the science to tell us what we're doing, the fact that we continue to do it without taking steps to address it strikes me as, among many other things, irreverent in an extreme.

When you are in a hole, stop digging!

We just see a sort of cascading amount of data of the damage that is being done by those increased temperatures.

There is nothing that will discombobulate and degrade [more] the lives of people near the margin on this planet. You don't have to look much past New Orleans to see that. Who took the hit? Some of the poorest people in the U.S.