5.27 Acres MOKENA, Will County, Illinois $316,000. Build your dream home in Mokena on this 5 acre full walk-out lot in the beautiful, well established, Hunter Trails Subdivision.
Human-related Sources. In the United States, the largest methane emissions come from the decomposition of wastes in landfills, ruminant digestion and manure management associated with domestic livestock, natural gas and oil systems, and coal mining.
Human sources of methane include: 1  Decomposing organic matter: landfills, animal waste, sewerage and dams are all human sources of methane. For example, organic matter is trapped behind dam walls where it sinks to the bottom of the dam and decomposes.