I really hate to be Debbie Downer right now, because everyone would love to say, "Yeah, we're finally doing something on climate!

It's remarkable to watch the president, with all the weight of his ability to command rhetoric with the bully pulpit behind him, make a clear speech about climate change and why that's so important for us all to focus on. And that is a rather remarkable thing to see. It's enormously powerful.

When you live in a watershed area, in a pristine area, and you could watch this whole place fall apart in front of your eyes, you don't sell your soul for a buck.

I think that the world is in the middle of a huge transition that we have to make to renewable energy. We have to transition away from fossil fuels very, very quickly.

I'm a night owl, and luckily my profession supports that. The best ideas come to me in the dead of night.

There's something really happening and really moving, and it's exciting and it makes me very optimistic because it is going to be the engine for how we really combat climate change. Which is strong communities.

Natural gas is a bridge fuel. But it's not a bridge - it's a gangplank. It's either a bridge in space or a bridge in time. The bridge in time we don't need. We have renewable technology right now.