It is more important to be of service than successful.

Everyone knows that we're doing a science experiment with Earth. And the No. 1, No. 2, No. 3, No. 4 contributors to it are the mining and burning of coal.

Twenty-two percent of Americans say their primary news source is Fox News. It's divided our country in a way that we haven't been divided probably since the Civil War, and its empowered large corporations to get certain kinds of politicians and ideologues who are in the United State Congress elected -- the Tea Party ideologues who control the Republican Party.

What polluters do is raise the standards of living for themselves, while lowering the quality of living for everybody else, and they do that by escaping the disciplines of the free market.

The environment is the most important, the most fundamental, civil-rights issue.... Four out of every five toxic-waste dumps in America is in a black neighborhood.

The technologies for the alternative energy sources exists today. The economics are compelling. The public health is compelling. Why would we maintain a focus on a 17th-century technology, when there are 21st-century alternatives that are both necessary and available? And the answer is the subversion of democracy.

We know more about Tom [Cruise] and Katie [Holmes] than we do about global warming. We're the most entertained, least informed people in the world.