Mitt Romney actually said...

I would encourage this Committee to put that on their list.

This is a global problem and the U.S. has to join the global community in creating harmonized incentives to reduce emissions globally.

What I'm concerned about is that most of what we do here in the United States is--well, I'll call it virtual signaling.

I have no question about the impact of climate change. It's going to be significant, devastating in some areas more than others.