Are microplastics harmful?

Whether or not microplastics have harmful effects on plants and animals has not yet been conclusively established. The different properties of microplastics determine whether and how the microplastics are absorbed by living organisms and whether they are harmful to them.

Compared to other pollutants in the environment (e.g. pesticides), microplastics do not have a uniform effect on living organisms. In addition, the effects of microplastics often cannot be distinguished from the harmful effects of other particles and substances found in the environment.