The EPA is under a court order that says greenhouse gases are a pollutant that fall under their jurisdiction. And I think one of the things that's very important for me is not to have us ignore the science, but rather to find ways that we can solve these problems that don't hurt the economy, that encourage the development of clean energy in this country, that, in fact, may give us opportunities to create entire new industries and create jobs that -- and that put us in a competitive posture around the world.