Sand?
Why should sand consumption be reduced? What would happen if we didn't pay attention?
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… like sand on the seashore
That hasn't been the case for a long time.
The core problem is that desert sand is pretty much useless. It's not suitable for silicon extraction (usually), for concrete, for glass production, etc.
So it must be either sea sand or river sand.
However, in rivers and at sea there are unique life forms in the sand.
Even dolphins like to dig in the sand. Sponges cover their sensitive snouts and dig up the seabed for food.
There is a rich animal life in the sand of the seabed because many animals hide there for protection.
There are also many animal species in the soil of the rivers.
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Dredging of rivers affects the groundwater level
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Dredging on coasts can salinize wells and cause beach decline
Glass is made from sand.
In addition, sand protects some islands, whereas some islands are there to reduce the occurrence of typhoons/tsunamis.
The sand needed to make concrete, etc., must be coarse-grained. But the sand in most deserts isn't.
For example, sand is sucked out of the seabed. This causes sand to slide down from coastal areas, making the seabed unstable. The material that slides away causes islands, for example, to shrink or disappear completely. The suctioning of sand also destroys the underwater ecosystem.
Weil es kaum noch neue Sandgruben und Baggerseen gibt, wird der Sand immer kostbarer.
Then the earth's second most important resource will run out sooner than we would like.
https://m.youtube.com/watch?v=AsvAsB1HDTM