El Paso, Texas, is fighting the impacts of climate change by turning their sewage into drinking water. CNN's Sanjay Gupta reports.
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The people of El Paso, Texas, are resilient. Living in the middle of the harsh Chihuahuan Desert, the city has no other choice. On average, 15 days every year spike over 100 degrees Fahrenheit. The city gets little relief with annual rainfall of just about 9 inches. It's one of the hottest cities in the country.