"How the demand for sand is killing rivers" - BBC news item today

"Sand. The word conjures happy holiday memories: building castles from it; watching nervous crabs scuttle across it; digging giant holes in it, and then hiding in them and leaping out at opportune moments to terrify unknowing relatives. Sand is the make up of glittering beaches, hundreds of thousands of years of weathering to create millions and millions of tiny, sparkling, and yet seemingly insignificant particles. Sand is infinite, surely. And yet the world is running out."

This is from a BBC news item today. Maybe MLMs Cape Flattery sand is worth more than we (and MLM management?) think as sand runs out as per the BBC news item. Do I see its value through rose colored spectacles or is Saudi Arabia seeing sand as the panacea after oil flops?