John Kerry: “Formally, in terms of strict legal accountability, I report to the President of the United States.”

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.

Back-up baseload, no. But, some primary they could be part of it.