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submitted 10 months ago by [email protected] to c/[email protected]

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Around six billion tonnes of sand is dredged from the world's oceans every year, a new report says.

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[–] [email protected] 19 points 10 months ago* (last edited 10 months ago)

Not all sand is equal. We dredge up ocean sand because the particle shape and composition is excellent for concrete. Other sand isn't as good.