"More than three decades after the Clean Water Act, two iconic waterways -- the great coastal estuaries of Puget Sound and the Chesapeake Bay -- are in perilous condition. With polluted runoff still flowing in from industry, agriculture and massive suburban development, scientists fear contamin...
|Corporate Author:||Hedrick Smith Productions.|
|Other Authors:||Smith, Hedrick., Shaffer, Marc., Young, Rick., WGBH Educational Foundation., Public Broadcasting Service (U.S.), PBS Home Video.|
Boston, Mass. : [Arlington, Va.] :
WGBH Education Foundation ;
Earth Day (1)