Desalination and Inhibitive Energy Costs


Twelve years ago, the global population of the Earth reached six billion.  This month, it reached seven billion. (Sachs, 2011)  Consumption of water for agricultural purposes is now up to 70% of all available fresh water for human use. (Cosgrove & Rijsberman, 2000, p. 7)  Such elevated water use is beginning to have an effect.  “Because of the increase in water withdrawals, the pressure on water resources will grow significantly in large areas of Africa, Asia, and Latin America.” (Cosgrove & Rijsberman, 2000, p. 29)  That is an alarming statement, considering the state of water scarcity in those areas today.  In addition, “more than 1 billion people lack access to safe drinking water.” (Cosgrove & Rijsberman, 2000, p. 1) That equates to one out of every seven people on the planet.


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