John Kerry: “Now, more than ever economic policy is foreign policy.”

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 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.

It is not fair for us to be reducing.

There is no current proposal or plan that has been agreed to which would require us to do that.