Clean, drinkable water is a luxury of the modern era. Most people in the United States have only had to worry about dying of dysentery when playing the old Oregon Trail video game. Indeed, while one in four deaths in the US 100 years ago were due to contaminated drinking water, since President Nixon started the EPA in 1970, contaminated water kills only about three people every year.
Things are so good that even New York Harbor is clean! Objectively, the 21st Century’s biggest threat to clean water will be lithium pollution from all the discarded electric car batteries
However, a comfortable status quo sits unwell with those in search of a problem to solve.
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