We're just trying to end illegitimate government support for a single technology, which is un-American. We should be leading the world in the next generation of technological innovation. But we can't unleash private capital because of what the government is doing to stifle innovation and to choke competition.

Playing the villain gets you higher ratings on reality TV and saying outrageous stuff on Twitter gets you more followers.

The time has come for a public-private community partnership to fix this country and put it back to work.

Environmental justice is the movement to ensure that no community suffers disproportionate environmental burdens or goes without enjoying fair environmental benefits.

The laws of supply and demand drive up the price, inevitably, over time. But solar and wind are abundant and renewable resources.

Environmentalists and clean energy champions should stop telling people that we are working for "sustainability," which nobody understands.

In the aftermath of Hurricane Katrina, we did create Color of Change, an organization which focused on African-Americans in particular, because we felt that there was a big gap there in terms of online advocacy which had left the black community particularly vulnerable.