Submitted by pingpang24 on September 11, 2007

• Category: Science
• Words: 1358
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Desalination

Water essential for human survival – is also necessary for nearly every sector of human activity, including agriculture, industrial production and power generation, and as a key means for transporting people and goods. It is estimated that 10% of world water withdrawal is used for domestic uses, 20% for industrial uses, and 70% for irrigated agriculture. In addition, water often has a substantial emotional and symbolic value, and is also needed for keeping natural ecosystems intact. As pressure on fresh water supplies rises due to population growth, economic development and pollution, access to water, and its allocation and use, are becoming increasingly critical concerns that may have...

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