Environment References
- C. de Haan Livestock production and sustainable use of the global natural resource base Invited paper to the Congress of the American Veterinary Medical Association
- Extrapolated from FAO, FAOSTAT Agricultural Data 2002 www.fao.org
- C. de Haan, H. Steinfeld & H. Blackburn, 'Livestock and the Environment: Finding a Balance' FAO, USAID, World Bank, 1998