Abstract
Water supply is in a silent crisis. More than 100 cities and suburban areas around the world have inadequate water supplies. For example, each resident in Beijing can access only 10,500 cubic feet of water per day. The world average is 35,300 cubic feet per day. Additionally, 300 million rural Chinese lack clean drinking water because of polluted waterways—53% of water in China’s major rivers, half the lakes, and 35% of groundwater supplies are undrinkable. (Read
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