John Kerry: “In my 30 years in the U.S. Senate, I have not seen an issue as complicated as the challenges posed by national security…”

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 Administration is determined to try to stabilize what has been, particularly recently, a very unstable situation.

Obviously, we're already seeing ways in which it's going to affect people.

The reason that happened, my friend, is because Donald Trump pulled out of that agreement.