Philly schools ditch Styrofoam trays, embrace a greener lunch option
Philadelphia's school system, moving towards a smaller carbon footprint, has long wanted to ditch Styrofoam, but it was trapped by cost: polystyrene is cheaper than the Earth-friendlier alternatives, and school food service operates on the narrowest of margins: feeding the district's 130,000 students cannot cost the operating budget fund a penny.
