John Kerry: “We appreciate what you've conveyed to us today. I really mean that. Very, very compelling testimony, both of you.”

I have to admit to you, if anybody thinks it is radical to care about the protection of this planet for future generations, sign me up.

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

People think this is now, you cannot reverse it, it is irreversible.

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