The majority of India's water sources are polluted. A lack of access to safe water contributes to a fifth of its communicable diseases. Each day in the booming, nuclear-armed nation, diarrhea alone kills more than 1,600 people.
Published July 3, 2009
William Wheeler, for the Pulitzer Center
For the mountain people of the Langtang region, the recession of the Himalayan glaciers is an unexplained fact of life.