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

Donald Trump's a hell of a performer, he's a hell of an entertainer. If you put him on and let him say his crazy stuff, you're going to get a lot of viewers. If you take him off and have some sober discussion about what's going on in Syria, you're going to lose 80 percent of your audience.

When you take the people who most need work and connect them with the work that most needs doing, you save. You save that young person’s life, you save a whole bunch of money, and you save the soul of this country when you invest and give people a chance, give people hope, give people opportunity.

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

Most people walking around in a mall or on a college campus are carrying on them better technology than the entire U.S. government had when it put a man on the moon. Each one of us is a walking technological superpower.

I'm the first one in my family born with all my rights. I'm a ninth generation American.

The human family has invaluable friends and irreplaceable allies in the plant and animal worlds. We cannot continue to tug at the web of life without tearing a hole in the very fabric of our earthly existence - and eventually falling through that hole ourselves.