John Kerry: “Qadhafi must go and that there is clearly an end game here.”

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.

It is not fair for us to be reducing.

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.