Watch a short interview with Dr. Robert Lawrence, director of the Johns Hopkins Center for a Livable Future.
Lawrence discusses the nation’s water pollution and his involvement in the production of “Poisoned Waters,” a PBS FRONTLINE documentary that examines the increased hazards to human health and the ecosystem caused by decades of polluted runoff from agriculture, development and industries.
“Poisoned Waters,” premiers Tuesday, April 21, 2009 at 9:00 p.m. ET on PBS stations nationwide. Click here to check your local listings.