John Kerry: “I look forward to that.”

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.

Ninety-eight percent of all the scientists in the world agree----

I would personally absolutely. I'm not sure what it is that couldn't be put on paper.

The U.N. Finance Analysis suggests that it will cost trillions of dollars. Maybe $2.5 to $4.5 trillion a year between now and 2050.