Part 1 of Essay
During the last twenty years, industrial livestock farms have been replacing the traditional family size farms that once raised most of the nation’s swine. The number of livestock animals produced in the United States has grown modestly in the past two decades, but the number of farms raising them has shrunk dramatically ....

Part 2 of Essay
.... large, shallow pits dug into the ground, where it is stored until it can be pumped out to irrigate fields. The solid manure sinks to the bottom of the lagoon and is broken down by anaerobic bacteria over several months. The liquid rises to the top and is collected and sprayed over nearby fields. Many problems come with the lagoons. North Carolina is one of the top hog producing states in the country. On June 21, 1995, North Carolina suffered the largest agricultural waste spill in its history: a 7.5-acre, ....