John Kerry: “Without a mandatory cap on greenhouse gas emissions here, it is highly unlikely that key developing countries like China…”

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

you cannot just sit there anywhere and wish that things are going to be as they have been historically.

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

But, we could with battery. We could with-- there's ways to make that work.