The usual pattern of demagogues is to promise the moon, fail to deliver, and then blame vulnerable others for those failures.

Everybody should be mad but anger only takes you so far. At some point, you'll have outrage fatigue and burn out.

The main piece of technology in the green economy is a caulk gun.

Government needs to do two things: put a price on carbon and invest heavily in new technologies.

Clean energy independence should be an area of common ground.

There's a lot of things that I think you got to deal with. Hillary Clinton had to put down a rebellion in her own party, then she's going to have to put down the [Donald] Trump rebellion and then try to govern.

Little kids sing a song called "America the Beautiful." They sing a song called "This Land Is Your Land, This Land Is My Land." To me, those songs are not just nice little ditties. They are marching orders. They are commandments that we must protect America's beauty from the clear-cutters, the strip-miners, the oil spillers. They are pledges we have made. They are promises to keep.