Topic: Pig farms

(Getty/t-lorien)

North Carolina's big pig waste problem

Lauryn Higgins - Salon Young Americans
(AP/Bob Jordan/<a href='https://secure.istockphoto.com/profile/enviromantic'>enviromantic</a> via <a href='http://www.istockphoto.com/'>iStock</a>/Photo montage by Salon)

Hog manure's disgusting king

Barry Estabrook