22 Mar 2022 --- Scientists that helped pioneer plastic-degrading enzymes have made an “important next step” in developing nature-based solutions to the global plastics crisis. Researchers from the University of Montana, US, and the University of Portsmouth, UK, together discovered an enzyme that has a “remarkable capacity” to break down terephthalate (TPA) – one of the chemical building blocks of PET plastic, which is used primarily to make single-use drinks bottles, clothing and carpets.