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

submitted 1 year 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] 7 points 1 year ago (2 children)

Why tho?

[–] [email protected] 15 points 1 year ago (1 children)

Concrete and glass. Oh, and money.

[–] [email protected] 2 points 1 year 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.

[–] Addition 24 points 1 year ago* (last edited 1 year 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.

[–] [email protected] 8 points 1 year ago

Sometimes, to rebuild beaches that get swept away in storms.