Jackson announces a new Obama administration position that greenhouse gasses are a threat to public health at the EPA in Washington

 
Jackson announces a new Obama administration position that greenhouse gasses are a threat to public health at the EPA in Washington
U.S. Environmental Protection Agency Director Lisa Jackson announces 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)