I used to go to all the environmental conferences when I wasn't an invited speaker. I was just somebody in the back taking a lot of notes. It was when I was least visible that I came up with the most cool stuff. Now, because I don't get to be Clark Kent, I feel like my learning curve is slowing way down. I'm always afraid the conversation will move on and I'll be up at the front of the room saying last year's speech.

We should stop calling ourselves environmentalists - and just call ourselves patriots.

I used to go to all the environmental conferences when I wasn't an invited speaker. I was just somebody in the back taking a lot of notes. It was when I was least visible that I came up with the most cool stuff. Now, because I don't get to be Clark Kent, I feel like my learning curve is slowing way down. I'm always afraid the conversation will move on and I'll be up at the front of the room saying last year's speech.

The Russians have had and continue to have an active program to undermine American society.

We are trying to reinvigorate our stagnant energy sector, to create avenues for new wealth. Clean energy innovation, job creation and energy independence should be common ground for all Americans.

The more we deploy the technologies to capture wind and solar power, the cheaper those technologies become.

Donald Trump understood the dynamics of the new media system better than the people who ran the old media system.