John Kerry: “But it matters--it really matters--and this has never been more clear to me than over the past year.”

Only one group of people, and they are here in Washington, and some of them spread around the country.

Coal is the dirtiest fuel in the world, and emissions that are not captured from coal are the worst cause of the warming of the ocean.

I have to admit to you, if anybody thinks it is radical to care about the protection of this planet for future generations, sign me up.

We are competing, but everybody has their own approach, which is one of the exciting things here.