John Kerry: “Every country understands the danger a nuclear-armed Iran would pose to our national security and to the security of our…”

But, we could with battery. We could with-- there's ways to make that work.

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.