Polymer-eating enzymes embedded in plastic allow programmed degradation (scitechdaily.com)
University of California, Berkeley, scientists have now invented a way to make these compostable plastics break down more easily, with just heat and water, within a few weeks, solving a problem that has flummoxed the plastics industry and environmentalists.
https://scitechdaily.com/polymer-eating-enzymes-make-biodegradable-plastics-truly-compostable/