John Kerry: “They do this for power and for the extension of their leaders for their misguided notion of their caliphate.”

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.

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

I mean, we try to help the world.

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.