Pollution resulting from waste due to use biodegradable plastics that are leaving or OK in the environmental condition is inappropriate per, for example, digestion is the wind blows and on twigs that contain microorganisms are not enough, they will not be able to degrade as well. In addition, use of compostable plastics may cause misunderstanding that consumers will be able to get rid of it fast and easy to use and some types of compostable plastics may take several years to complete biodegradation. And causing a dangerous animal that swallowed a plastic bag because it can't degrade within the stomach of the animal.