... thoroughly review the direct and indirect sources of GHG emissions from livestock. Some of these are obviousbut underestimated, some are simply overlooked, and some are emissions sources that are alreadycounted ... biomassfeedstocks are chosen and processed carefully, then biofuelscan yield 80 percent less GHGsper unit of energy than coal. Therefore, the extra emissionsresulting from using land for livestock and feed ... of which emit high amounts of GHGs when disposed in landfills, incinerators, and waterways.•Production, distribution, and disposal of byproducts, suchas leather, feathers, skin, and fur, and...