Las Vegas Running Out of Water Means Dimming Los Angeles Lights
In Asia, developing giants are battling pollution as their populations grow. China, home to 21 percent of the world’s people last year, has just 7 percent of the water. Nine in 10 Chinese-city groundwater systems are fouled by industrial toxins, pesticides and human waste..

..In India, with 1.2 billion people, three-quarters of the surface water is contaminated, that country’s government said in September.