Millions of tonnes of plastic produced every year, largely from fossil fuels, make their way into the environment and degrade into smaller and smaller pieces. Photo: AFP
From ocean depths to mountain peaks, humans have littered the planet with tiny shards of plastic. We have even absorbed these microplastics into our bodies – with uncertain implications.
Images of plastic pollution have become familiar: a turtle suffocated by a shopping bag, water bottles washed up on beaches, or the monstrous "Great Pacific Garbage Patch" of floating detritus.
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