Around 6 billion tons of marine sand is being dug up each year in a growing practice that a U.N. agency said is unsustainable and can wipe out local marine life irreversibly.
Sand is the most exploited natural resource in the world after water but its extraction for use in industries like construction is only loosely governed, prompting the U.N. to pass aThe findings from the United Nations Environment Programme coincide with the launch of a new platformbacked by funding from the Swiss government that monitors dredging activities using marine tracking and artificial intelligence.
Pointing to an image of a ship he described as a "giant vacuum cleaner" he said such vessels were "basically sterilising the bottom of the sea by extracting sand and crunching all the microorganisms that are feeding fish". While globally the 6 billion being extracted is less than the sand deposited annually by the world's rivers, in some areas the removal is surpassing replenishment rates, UNEP said.
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