Children in this coastal New Jersey town were coming down with rare types of cancer. And because of the unusual number of cancer cases, the town was designated a “cancer cluster.” For more than 40 years, the town’s drinking water was polluted by carcinogenic chemicals. Dumped by Ciba Geigy and Union Carbide. But the town’s people fought back. And because of their heroic efforts the water in Toms River today safe and clean.