Beach cleans gives scientists hope in combating polluted oceans
Experts from Norce, one of Norway's largest research organisations, found that within a year of volunteers removing bottles, bags and other large pieces of plastic from the shore of an island near Bergen, the amount of microplastic on land and in the water fell by 99.5%.
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The removal of bigger pieces of plastic from coastlines aids the breakdown of tiny fragments that may have been in the water for years, research suggests.