There may be a small answer to one of the biggest problems on the planet. German researchers report in the journal Frontiers in Microbiology that they have identified and characterized a strain of bacteria capable of degrading some of the chemical building blocks of polyurethane.
https://phys.org/news/2020-03-scientists-microbe-degrade-polyurethane-based-plastics.html
https://phys.org/news/2020-03-scientists-microbe-degrade-polyurethane-based-plastics.html