I don't believe we're only motivated by our own self-interests. Often out of crisis comes this enormous wellspring of generosity and motivation.

They're a lot of great scientists and their mission is to protect people. It's the Environmental Protection Agency, but it's really a people protection agency. And they're out there trying to do their job and do the science.

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.

In a couple of decades you have half of the wells that are drilled right now, and you're talking about numbers in the millions of wells drilled, leaking. That's a huge crisis in terms of water contamination. There's no way to fix that problem.

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.

I don't believe we're only motivated by our own self-interests. Often out of crisis comes this enormous wellspring of generosity and motivation.

The aquifer [is] the water table people need to keep secure. Nature has this incredible system of water purification under the ground. Ground water is much better to drink than surface water because it filters out the bacteria that can cause all sorts of problems.