Six-year-old Johnny Kumar eats a radish as his father, Ranjit Kumar, washes clothes near industrial waste in the Yamuna River in south New Delhi, India, on Monday. The Yamuna, which supplies 70 percent of New Delhi's population with drinking water, is so polluted that few organisms survive in it. Waterborne diseases kill more than 2 million children in India each year, and most of those drank water from the Yamuna and River Ganges.