We have recently seen an increasing number of news stories about plastic pollution, an ocean full of plastic bags, scenes of a diver in Bali surrounded by floating plastic, however, a recent study [1] has found that terrestrial microplastics could be between 4 and 23 times greater than that found in the ocean and it may be that agricultural soils alone might store more microplastics than oceanic basins. The study cites research that finds that most plastics are prone to disintegrate rather than decompose especially those that are biodegradable and these are found as microplastics (less than 5mm) and these, in turn, continue to disintegrate into nano plastics (less than 0.1 μm). The problem is growing and microplastic pollution could be so widespread that it could create a baseline shift of physiological and ecosystem processes of terrestrial species.

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