AdvertisementReplacing Plastic: Can Bacteria Help Us Break The Habit?June 17, 2019Christopher JoycefacebookEmailAnne Schauer-Gimenez (from left) Allison Pieja and Molly Morse of Mango Materials stand next to the biopolymer fermenter at a sewage treatment plant next to San Francisco Bay. The fermenter feeds bacteria the methane they need to produce a biological form of plastic. (Chris Joyce/NPR)