I would ask that people judge us, judge me, based on our record, based on what we actually did.

I hope that people will be held accountable, even if accountability just means naming it and letting the citizens of the country know where you're at. I think that has a huge impact on the way people think.

Here Hillary Clinton is probably the most qualified person based on experience to ever run for president of the United States, and then this guy gets into the race, Bernie Sanders, and suddenly everybody goes, "Look at him. He's a real contender - "

I would ask that people judge us, judge me, based on our record, based on what we actually did.

How are we going to know what impact that has on the greenhouse gas emissions? How are we going to hold everybody accountable for doing their part?

We have the resources the world needs. We can build a path for them to get there. That's that delicate balance that we find.

There are limits to what we can do. That's for sure. That is true. One of the downsides of a growing economy [is that] we're accommodating a lot more people. They're buying houses and the market is growing. That is part of the downside of that, but I think that all of us do have to decide to act on it.