Nearly 75% of all Americans will soon live within 50 miles of our nation's vast coastlines. Heading for Shore looks at the impact rising populations are having on our coastal areas and the policy choices that can help protect our fragile shorelines. The program shows sewage pollution in Boston Harbor, rapid growth and toxic pollution in Puget Sound, and the massive loss of vital wetlands in Louisiana, home to 1/3 of America's remaining coastal marshes. Interviews with experts and activists outline how problems and potential solutions must balance the needs of industry and the environment.