Former U.S. Vice President Al Gore testifies before the Senate Environment and Public Works Committee on global warming in Washington

 
Former U.S. Vice President Al Gore testifies before the Senate Environment and Public Works Committee on global warming in Washington
Former U.S. Vice President Al Gore testifies before the Senate Environment and Public Works Committee on global warming, on Capitol Hill in Washington, March 21, 2007. REUTERS/Jim Young (UNITED STATES)