Waste contamination is an increasingly challenging barrier to effective recycling and composting efforts. Green waste contaminants, such as grass clippings and leaves, can release significant amounts of methane and other greenhouse gasses when disposed of in landfills. Greenwaste is any organic material that can be broken down into compost. Compost is converted into soil, mulch, or natural fertilizer product. Instead of composting green waste, the City of Peoria, Arizona, currently sends green w...