I Am Angus: Frank Mitloehner and the Benefits of Modern Livestock Production (Video)

In this "I Am Angus" segment: Dr. Frank Mitloehner is an air-quality researcher from the University of California-Davis who challenged findings in the United Nations Food and Agriculture Organization's 2006 report "Livestock's Long Shadow." The report claims livestock production is the leading cause of global greenhouse gas emissions; Mitloehner's research proved the U.N. was wrong.