We must start... rebuilding our cities around energy efficiency and human needs, rather than around the car and wasted energy.

When we design our national R&D programs, we ought to ensure a place for the small, the new, and the cutting-edge.

The fact is that we cannot drill our way to independence. We cannot drill our way to freedom, and we cannot drill our way to create jobs in this country.

We need to get our sons and daughters home and their responsibility for the security of Iraq needs to be assumed by Iraqis who will stand up and toe the line for their countries.

On Earth, we still have a beautiful atmosphere that precisely maintains a thermally driven climatic system that shelters, shields and sustains our natural treasures.

We could never light another match, and if China continues to build one coal-fired power plant a week, we are doomed. China is going to have to have new technologies made available to it to stop this. They're not going to live in poverty.

Healing is a moral thing to do.