John Kerry: “Climate is perhaps the signature issue on the cooperation side.”

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

Without a border protected you don’t have a nation.

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.