Is it true that the world is running out of sand to produce concrete, and if so, why is that?

Question

Is it true that the world is running out of sand to produce concrete, and if so, why is that?

In: 92

Answer 1

Beaching river sand is good sand for concrete, but there’s not that much of it.

Desert sand is not good for concrete, too smooth because of the wind. But there’s a lot of desert sand available.