John Kerry: “It is appropriate to determine the best strategy, the best way forward.”

We're spending billions--literally, actually, trillions.

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----

We do not trade any component of any of those other issues for what we are trying to do on the climate front.