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[DIGEST: NatGeo, AmerRiver, WHO, ScienceAlert, EurekAlert, Science, Forbes, EScience]

In an increasingly dry world, water engineers are looking at a variety of ways to provide essential water. Their work includes desalinization or taking the salt out of sea water to make it useable. However, lakes, rivers, and the smaller ponds and streams make up only two percent of Earth's water resources, and only one percent remains drinkable.

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