I've been arrested three times. I don't like getting arrested, but it's not so bad when it's an organized form of nonviolent disobedience. It's something appealing to a higher law.

I think what we all have to do is make this big leap towards renewables. And it has to be a solution where you're actually building the answer; and it has to be built faster than the natural gas industry can build their answer.

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

Every single dollar spent lobbying a legislator on behalf of oil and gas is a toxic dollar that undermines public health and safety laws that protect Americans. That's contamination of the political system.

For me, going vegan was an ethical and environmental decision. I'm doing the right thing by the animals.

As human beings, we are vulnerable to confusing the unprecedented with the improbable. In our everyday experience, if something has never happened before, we are generally safe in assuming it is not going to happen in the future, but the exceptions can kill you and climate change is one of those exceptions.

Every week in the Senate, I give a speech telling my colleagues it is time to wake up to the reality of a changing climate.

Architects have to become designers of eco-systems. Not just designers of beautiful facades or beautiful sculptures, but systems of economy and ecology, where we channel the flow not only of people, but also the flow of resources through our cities and buildings.