John Kerry: “If your goal is larger than that, in terms of nation-building and otherwise, that's a much more expensive and longer…”

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

Formally, in terms of strict legal accountability, I report to the President of the United States.

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.

We are not, I have not, President Biden has not, we are not saying to people, you should not fly.