John Kerry: “I know how personally deeply involved you were in Jim's case and in working with us to try to keep the focus on it.”

It's a matter of mathematics and physics, not politics, not ideology. It is a response to the science.

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

It is not fair for us to be reducing.

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