John Kerry: “We are fighting two wars that call on the skill and sacrifice of our civilians, as well as our troops.”

The message is, let's find a way to be able to make sure when we fly, we're not leaving emissions that we cannot capture.

The message coming out of this COP is, we are moving away from fossil fuels. We are not turning back. That is the future.

Nothing is agreed to until everything is agreed to.

In terms of global challenges and U.S. interests, yes.