Plastic Eating Bacteria and Enclosed City Systems to Save World?

Plastics brought a lot of good and bad. New discoveries in plastic eating bacteria and worms could transform our plastic plague. The other thing is self contained cities where the natural waterways and city waste and water are not connected. i.e. runoff being diverted back to processing. Enclosed systems save water and make barriers with the natural environment that protects the later.  Plastic Eating Bacteria Maybe we can get plastic companies to have a small percentage of profits go to funding research for plastic biodegration. Helps them and society.