The Washington Post has published a number of excellent articles on Pfiesteria . The USDA Bad Bug Book, Chapter 10. The Southern Environmental Law Center is a non-profit, regional organization dedicated to protecting the natural areas and resources of Alabama, Georgia, North Carolina, South Carolina, Tennessee, and Virginia. It's industrial hog production initiative is part of a larger Clean Waters and Rivers Project. An introductory hog page provides general information about the effects of the industry on the environment.
Subsequent pages focus on state-specific events and concerns.
USDA National Agricultural Statistics Service National and state statistical information is available concerning all agricultural activities, including hog farming. The objective of the NPPC's Environmental Program is to promote sustainability by seeking a balance between environmental and profitable management practices. This extensive webpage, written from the producers' perspective, provides answers to a wide range of commonly asked questions. The American Farm Bureau Federation is the nation's largest general farm organization. It addresses issues of importance to farmers and engages in grassroots lobbying efforts.