U.S. Environmental Protection Agency Administrator Jackson pauses after announcing a new Obama administration position in Washington

 
U.S. Environmental Protection Agency Administrator Jackson pauses after announcing a new Obama administration position in Washington
U.S. Environmental Protection Agency Administrator Lisa Jackson pauses after announcing a new Obama administration position that greenhouse gasses are a threat to public health at the EPA in Washington, December 7, 2009. REUTERS/Jonathan Ernst (UNITED STATES POLITICS ENVIRONMENT)