15 million tons of microplastics pollute the seafloor

An estimated 15 million tons (14 million metric tons) of microplastics have settled in the deep ocean, according to a new report by Australia’s national science agency. That’s more than double the amount of plastic pollution at the ocean’s surface. 

Researchers sampled seafloor sediments in locations hundreds of miles from Australia’s coastline, discovering that the quantity of microplastics was far higher than anticipated. 

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