It’s been an environmental quandry for years: what to do hog waste in North Carolina. The state is home to nearly 9 million hogs, which produce massive amounts of waste. Some of it goes back onto the farms of eastern North Carolina as fertilizer, but much of it is stored in open-air lagoons, which have been known to contaminate groundwater and produce a putrid smell for nearby homes. A new technology exists to convert the waste into energy but it is not affordable for most hog farmers. Host Frank Stasio talks with National Geographic contributor Sara Peach , who has examined alternatives to hog waste lagoons in her latest article, "What to Do About Pig Poop? North Carolina Fights a Rising Tide."
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