Click Here to link to our Web Directory Sub Categories Other Useful Web Links Google, Yahoo, Dmoz, Games, Netscape, Alltheweb Livestock Methane Emissions Web Site Links Global Livestock Group - International livestock technology company providing greenhouse gas reduction through ruminant livestock feed and animal breed improvement. Provides verifiable carbon offsets for methane emissions. Ruminant Livestock Efficiency Program - US EPA - Ruminant livestock such as cattle and sheep are the largest source of methane emissions resulting from human activity. Methane is a potent greenhouse gas. RLEP is a joint EPA-USDA program helping livestock producers improve their operations' efficiency, preserve natural resources, and reduce methane emissions. Methane Emissions from livestock - A few facts about animal emissions.