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Primary microplastics in the oceans: A global evaluation of sources
Summary
Researchers evaluated the global sources of primary microplastics entering the oceans — including microbeads, plastic pellets, synthetic fibers, and abrasion from products — estimating that 1.5 to 2.5 million tonnes are released annually.
Plastic has penetrated everyday life, and the disadvantages of plastics are becoming more and more visible: large quantities of plastics leak into rivers and oceans, with adverse effects to marine ecosystems and related economic activities. This report is one of the first of its kind to quantify primary microplastics leakage and to demonstrate that these primary microplastics are globally responsible for a major source of plastics in the oceans.