Renewable energy also creates more jobs than other sources of energy - most of these will be created in the struggling manufacturing sector, which will pioneer the new energy future by investment that allows manufacturers to retool and adopt new technologies and methods.

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

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

Tolerance is carved into the rostrum of the U.S. House of Representatives and intolerance should not be carved into the U.S. Constitution.

We’re the first generation to feel the impact of climate change and the last generation that can do something about it.'

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.

All of the economic signals in the marketplace are essentially subsidizing the use of dirty fossil fuels and penalizing clean energy. There's really only one entity in society that can solve that problem, and that is government. And the air is a scarce resource.