More than a third of food grown in the U.S. goes uneaten. Food waste takes up space in landfills and produces methane, a powerful greenhouse gas that contributes to climate change. Harvest Public Media Reporter Eva Tesfaye digs into current zoning laws in places like St. Louis, where urban composting sites are beginning to pop up. The owners of New Earth Farm, John and Stacey Cline, share why they started their composting business in 2020.