The world is running out of sand – and it could mean a shortage of glass vials for Covid vaccines
The world is facing a growing sand shortage, though, with less than 1,000 sand and gravel mines across the US, experts warn. After water, sand is the world’s most consumed raw material — used to make glass, concrete, asphalt and even silicon microchips. The construction industry alone uses up to 50 billion tons of sand … Read more