The Shrinking Footprint of American Meat

A Response to Breakthrough's Essay on Meat Production

[1] PE Waggoner, JH Ausubel. A framework for sustainability science: a renovated IPAT identity [external link]. Proc Natl Acad Sci U S A 99(12): 7860-7865, 2002.

[2] USDA Economic Research Service, USDA ERS, Availability.

[3] USDA Economic Research Service, 2013, Alternative Beef Production Systems: Issues and Implications

[4] Congressional Research Service, 2011, U.S. Livestock and Poultry Feed Use and Availability: Background and Emerging Issues, 7-5700. CRS Report for Congress R41956.

[5] USDA, 2016, Feed Grains: Yearbook Tables,