3 links have been added on this idea.
  1. There is an AI-engineered enzyme that can completely degrade plastics.

  2. Check these out! Some researchers accidentally created a mutated version of the plastic-eating enzyme.
    https://www.sciencealert.com/scientists-accidentally-engineered-mutant-enzyme-eats-through-plastic-pet-petase-pollution

  3. Some scientists who are trying to do that, but it may be while before a viable solution is found.