The prosperity of the developed world--as well as the population explosion of the last half-century--means that demand for livestock has never been higher, and will likely do nothing but increase, if current projections hold. However, thanks to a New York Times editorial and subsequent mentions on environmental blogs, the issues raised in the report seem to be gaining some wider exposure.
Livestock's Long Shadow (full report, PDF)
Livestock Impacts on the Environment (FAO Spotlight; report summary)
Livestock a Major Threat to Environment (FAO newsroom)
Meat and the Planet (New York Times, Dec. 27, 2006)
Livestock's Long Shadow (Gristmill; environmental news blog)