Yard waste is discouraged from garbage containers. Yard trimmings create methane gas in landfills, but can provide nutritious compost and mulch if composted.
BioCycle's 2007 nationwide survey identified 42 communities and/or counties with source separated residential organics collection programs in the U.S. There are 17 programs in California, 1 in Michigan, 7 in Minnesota and 17 in Washington State (all in King County). More