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Oil Companies Are Selling Dirty Wastewater to Drought-Stricken Farms 

If we’re talking about who’s wasting water during California’s drought, one of the big culprits is oil production—about 10 gallons of wastewater are produced for every gallon of oil. Now oil companies like Chevron are selling that water back to farmers. But it’s not as tidy of an idea as you’d think.
»4/09/15 3:10pm4/09/15 3:10pm

An Inside Tour of San Francisco's Sewage Treatment Plant

If you have ever been to San Francisco, then some part of you—or some former part of you—has almost certainly passed through the city's Southeast Wastewater Treatment Plant. But, considering how utterly vital it is to the city, the wastewater plant is also very much invisible, tucked away in a neighborhood no tourist… »3/20/14 3:00pm3/20/14 3:00pm