Synopsis

Water is abundant, yet its true utility is often overlooked. *NOVA* journeys to the Adirondack Mountains, where acid rain threatens the delicate ecosystems of high-altitude lakes. The program explores the Mississippi River, examining how chlorine reacts with both natural and industrial compounds to create dangerous toxins. In California, the necessity of conservation and recycling has become deeply ingrained in the culture. Finally, *NOVA* investigates Bedford, Massachusetts, where industrial wa