Earth Is Running Out of Sand … Which Is, You Know, Pretty Concerning – Popular Mechanics

Bulunkou River Sand Dunes (Photo: David Stanley CC BY 2.0 via Flickr.
Bulunkou River Sand Dunes (Photo: David Stanley CC BY 2.0 via Flickr).

Excerpt:
The world uses 50 billion metric tons of sand annually.
Sand is a key ingredient in all concrete and glass production.
There are already ongoing reports of a mafia-style black market for sand.

 
The world is in crisis yet again. This time around, it’s a sand shortage.

The most-extracted solid material in the world, and second-most used global resource behind water, sand is an unregulated material used extensively in nearly every construction project on Earth. And with 50 billion metric tons consumed annually—enough to build an 88-foot-tall, 88-foot-wide wall around the world—our sand depletion is on the rise, and a completely unregulated rise at that…

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