I am going to leave everything on the field. I am going everywhere, and I am going to listen to everybody.

I would like to see whoever is our next president dedicate a significant part of their inaugural address to this challenge. We have to ignite the nation's energies and passions on this to make this happen. I think we do need the same kind of inspiration we had from Kennedy in his inaugural address in 1961.

I'm sure that in the fullness of time we'll learn that one or more of these seemingly promising technologies were dead ends. And that's the nature of innovation, and that's why we should spread our bets; we should not put our eggs in any one basket. Some of these will be grand successes, some of them will be average, and some of them will be abject failures.

What is a fish without a river? What is a bird without a tree to nest in? What is an Endangered Species Act without any enforcement mechanism to ensure their habitat is protected? It is nothing.

We can't tell China what to do if we don't do it ourselves. You don't inspire someone to take an action by refusing to take it yourself. We are in a race to be the dominant clean-energy provider to the world. Maybe this goes without saying: We've got to get China into an international protocol and the magic words are "common responsibility with differentiated action."

Back in the mid-1970s, we adopted some fairly ambitious goals to improve efficiency of our cars. What did we get? We got a tremendous boost in efficiency.

If this ice melts in Greenland it can shut down the Gulf Current.