Plastic pollution has been found in the most remote regions of Earth.
New research shows a staggering amount may be sitting on the ocean floor.
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An estimated 14 million metric tons of microplastics have accumulated on the seabed, more than 35 times as much plastic believed to be floating on the surface, according to a new study from Australia’s National Science Agency.
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Using a robotic submarine, researchers collected 51 samples of deep-sea sediments from sites off Australia’s coast.
Their findings show up to 25 times more microplastics than previous studies.