Clean coal represents a breakthrough in the marketing of coal, but not in the science of burning coal.

As champions of green jobs, we're asking questions that progressives should like, like "How are we going to avoid baking the planet," and "How are we going to create jobs for ordinary Americans?" Meanwhile, we're offering solutions that conservative should like. I'm not calling for more welfare; I'm calling for more work.

People in red states and blue states can agree that clean air is better than dirty air; therefore we should use clean energy where we can.

Americans need to see people who are honestly trying to learn from each other, even as we make our own points powerfully and fight for our own values and policies.

You had a socialist get 47 percent of the votes in the Democratic primary: Bernie Sanders. You have an outright white nationalist populist [Donald Trump] who is now in the White House with an authoritarian strongman who has no regard for facts, no regard for tradition, and no regard for the Constitution. That is what you get when you import third world conditions. You get third world politics, and that's where we are now.

The bombs the government drops in Iraq are the bombs that blew up in New York City.

We're now moving into a stage where the green economy isn't just going to be the place for people to spend money. It's going to become a place where a lot more people can earn money, and also save more money. These kind of solutions require collective action and government action. So as an advocate for government change, even somebody like me gets to have a role.