According to the U.S. Environmental Protection Agency, the methane that originates from landfills, livestock manure, and wastewater accounted for 34 percent of all anthropogenic U.S. methane emissions in 2008.
Ayon sa US Environmental Protection Agency, ang methane na nagmumula mula sa landfills, hayop pataba, at wastewater alang para sa 34 porsiyento ng lahat ng anthropogenic US methane sa 2008.