(Natural News) Polyethylene, polypropylene, and polystyrene make up most of the microplastics in the Mediterranean coastal waters, suggests new research. The study, published in the journal Marine Pollution Bulletin, found concentrations as much as 500,000 microplastics per square kilometer in certain areas of the Mediterranean coast. Researchers from the University of Barcelona also found other types of microplastics, such as nylon […]