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Earth Is Running Out of Sand, Spurring a Cutthroat Black Market
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Popular Mechanics 5/2/22 " 50 billion metric tons consumed annually—enough to build an 88-foot-tall, 88-foot-wide wall around the world." "...China uses more sand than any other nation at roughly half of the world’s overall sand use" " Officials want incentives for construction projects that ditch sand and instead use crushed rock, recycled construction and demolition material, or ore-sand, a mining byproduct—the three main alternatives to natural sand. Of course, nothing’s purer—or cheaper—than natural sand." https://www.popularmechanics.com/sci...0Non%20Openers .
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