The Ganges river is one of the world’s most sacred waterways—and one of its most polluted. To restore it, India is undertaking one of the biggest engineering programs in the history of sanitation. The Ganges river is one of the world’s most sacred waterways—and one of its most polluted. To restore it, India is undertaking one of the biggest engineering programs in the history of sanitation. Read More Science, Science / Environment, Dirty Work Wired