As many as 91 million metric tons of litter entered the oceans between 1990 and 2015, as much as 87% of which was plastic, according to the research. An estimated 5.25 trillion particles of litter are currently floating in the oceans. — AFP Relaxnews
Floating drones inspired by whale sharks and four-wheeled robots that resemble the Mars rover are among the latest inventions designed to remove litter from the oceans.
The number of tools to monitor, prevent and clean up ocean pollution has grown almost exponentially over the past four years, according to a paper published in Nature Sustainability. The research, led by biologist Nikoleta Bellou at the Institute of Coastal Research Helmholtz-Zentrum Hereon, is the most comprehensive analysis of sea-cleaning solutions to date.
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