David Slump

[T]here is a growing consensus among business and political leaders that the United States should take a leadership role in this process by establishing a clear and consistent policy on cleaner energy and taking steps to reduce the growth of, and subsequently limit, greenhouse gas emissions. As Senator Pete Domenici, chairman of the US Senate Energy and Natural Resources Committee, stated at a July 2005 hearing, "The question is no longer whether the U.S. should act, but what, how, who, and when."