CLIMATE CHANGE REPORT EXAMINED BY HOUSE SCIENCE COMMITTEE

Richard Alley, lead author, IPCC, Working Group I, testifies before a House Science and Technology Committee hearing on "The State of Climate Change Science 2007: The Findings of the Fourth Assessment Report by the Intergovernmental Panel on Climate Change (IPCC), Working Group I Report," on Capitol Hill in Washington on February 8, 2007. (UPI Photo/Roger L. Wollenberg)