I'm still trying to figure out exactly what President Trump represents in American politics. But, if nothing else, he represents a way for tens of millions of people who were desperate for change to just turn the table over and say, we want to start over again. But it is a challenge for our democracy. It definitely is. But, again, the remedy has to be devoting enough attention to restoring the way we make collective decisions in this country.

I work to promote the idea of sustainable capitalism driven by long-term considerations rather than quarterly profits, which seeks to better people's lives and the planet rather than destroy them.

The role of campaign contributions in our political system and the role of lobbyists have now reached levels that are quite unhealthy for the operations of our democracy. But the antidote, as in past eras of lobbyist excess, is for more involvement by citizens to build pressure on members of the House and Senate to serve the public interest.

The United States is the only nation that can lead the world toward a solution on climate change.

There's an old African proverb that says "If you want to go quickly, go alone. If you want to go far, go together." We have to go far - quickly. And that means we have to quickly find a way to change the world's consciousness about exactly what we're facing, and why we have to work to solve it.

I take no pleasure in the fact that the scientific predictions I’ve relayed to popular audiences turn out to be true.

you can't be value free when it comes to marriage