 That acceleration's importance, according to Busby, is noted in the federal government's goal to reduce domestic food loss and waste by the year 2030. One third of all food produced for human consumption never gets eaten by people. In fact, food is the single most common material found in landfills. And 61% of methane generated by decomposing landfill food waste is not captured by landfill gas collection systems and is released into the atmosphere.