Desalination Is Booming. But What About All That Toxic Brine?

If only humans could drink seawater without dying, we wouldn’t find ourselves floundering in a water crisis. To not die, first you have to boil saltwater and collect the pure vapor, or get yourself a fancy membrane that filters out all the salt and, conveniently, sea life. This is the controversial idea behind large-scale desalination—great, …

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