There I was, staring up at a quarter-mile-high fold of sand that looked like it was the backdrop of a science fiction novel. It looked like CGI but it was real, and so far out in the desert that even ...

MAKUENI, Kenya (AP) — On a dry riverbed one recent sunny morning, residents of Kasengela village toiled away mixing cement and sand to make concrete. The sound of their shovels resonated through the ...

Humanity’s appetite for sand could soar 45 per cent within four decades, according to researchers who say unchecked consumption risks environmental damage and shortages of a key material for urban ...