"there are no microorganisms that can break most of them down (yet)." sounds like a pitch line from a monster movie. like some kind of creature that metabolizes plastic but then also becomes a huge plastic super-organism that comes ashore and breaks down all our carbon-carbon bonds
https://arstechnica.com/science/2021/10/searching-for-solutions-to-a-crisis-decades-in-the-making/
#ecohorror