Purifying Drinking Water with Sun, Salt, and Limes

Sun, salt, and lime juice may sound like ingredients for a vacation margarita, but recent research suggests they can also be used to help purify drinking water easily and cheaply—the type of solutions needed by millions of people in developing countries. Some 780 million people across the globe are still without reliable access to safe drinking water.1 Bringing safe water to these people will depend on making affordable, technically feasible solutions available.

doi: http://dx.doi.org/10.1289/ehp.120-a305

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