Although 75 percent of our planet is covered with water, many countries around the world suffer from a low supply of fresh water. There is plenty of water in the ocean, but removing the salt is very expensive, and only coastal nations with an ample supply of power, such as the Arab Gulf States, can afford to rely on desalination. Now, as sources of fresh water dwindle, emerging new technologies could make the technology much more cost effective. VOA’s George Putic reports.
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