John Kerry: “the choice we face is between a deal that will ensure Iran's nuclear program is limited, rigorously scrutinized, and…”

Coal is the dirtiest fuel in the world, and emissions that are not captured from coal are the worst cause of the warming of the ocean.

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.

I think we have to look at this beyond the China.

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.