Half Of US Sewage Sludge Ends Up On Crops: So?

Half Of US Sewage Sludge Ends Up On Crops: So?

Three hundred million Americans head to the restroom multiple times a day. The amount of sludge produced staggers the mind--7 million dry tons per year and counting. And it's not even just crap--it contains residues from everything else we put down the drain, from the detergent in your dishwasher to the chemicals used at the industrial plant down the street.

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