John Kerry: “How do we fulfill President Obama's pledge to close off the four pathways to a bomb?”

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.

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

Back-up baseload, no. But, some primary they could be part of it.

It is not fair for us to be reducing.