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Hog farming is a lucrative business in Harnett County, North Carolina. It's also a major source of water pollution and greenhouse gases. Now a few concerned hog farmers are exploring solutions to reduce the environmental impact of their farm waste and even produce electricity. ➡ Subscribe: http://bit.ly/NatGeoSubscribe About National Geographic: National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what's possible. Get More National Geographic: Official Site: http://bit.ly/NatGeoOfficialSite Facebook: http://bit.ly/FBNatGeo Twitter: http://bit.ly/NatGeoTwitter Instagram: http://bit.ly/NatGeoInsta Read about how North Carolina is dealing with pig waste: http://goo.gl/jRILF0 PRODUCER, VIDEOGRAPHER, AND EDITOR: Kelly Creedon VIDEOGRAPHER: Caitlin Kleiboer ASSISTANT PRODUCER: Jess Clark COURTESY OF: http://wholehognc.org See a Farm Convert Pig Poop Into Electricity | National Geographic https://youtu.be/biXzGumrWlU National Geographic https://www.youtube.com/natgeo