John Kerry: “I answered, nuclear proliferation, globally, and the President agreed.”

We do not trade any component of any of those other issues for what we are trying to do on the climate front.

I mean, we try to help the world.

There is no current proposal or plan that has been agreed to which would require us to do that.

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.