John Kerry: “We are still behind the curve of where we need to be in terms of meeting our obligation to deal with climate change.”

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

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

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.