Henderson Island   Pitcairn Islands  -24.335178, -128.310435  Henderson Island is a 14.4 square mile uninhabited landmass in the South Pacific Ocean. Recent studies have revealed that this area has the highest density of plastic that has washed up onshore of any area on the globe. It is estimated that the island's shores now contain 37.7 million items of debris that weigh a total of 17.6 tonnes.  Source imagery: Digitalglobe
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