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Sand dredging devastating ocean floor, UN warns (www.bbc.com)

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] 8 points 10 months ago (4 children)

Why tho?

[–] [email protected] 16 points 10 months ago (2 children)

Concrete and glass. Oh, and money.

[–] [email protected] 3 points 10 months ago (1 children)

Not the sand part, the ocean part. Weight is usually a major factor in large scale resource industries like this, why on earth would they want wet sand? Plus thats gotta be more expensive property to buy the rights to.

[–] [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.

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