Probably the definitive vegan site. Offers well researched and practical information on health issues and vegan activism.
The first goal in any animal rights movement should be reducing beef consumption, and no organization argues this point more persuasively than Beyond Beef.
Howard Lyman: Mad Cowboy
Personal website of former US cattle rancher and current president of EarthSave International. Provides a sometimes shocking insider's account of cattle farming and the beef industry.