The World Is Running Out of River Sand, And That's a Massive Issue : "Sand and gravel are the world's most heavily extracted solid materials and are fundamental to urbanization and infrastructure development," www.sciencealert.com/the-worlds-r...
The World Is Running Out of River Sand, And That's a Massive Issue
All over the world, industrial sand mining is extracting river sediment much, much faster than Earth's natural cycles can replenish it.
sciencealert.com