The sand that lines beaches, lakes and rivers can often seem like an infinite resource, but 50 billion tonnes of sand is extracted around the world every year, far faster than the sand can be renewed.

Fascinating photos show diggers and trucks piling onto Lyme Regis beach in a bid to rebuild it in time for the tourist season. The stretch of Dorset coast, which is one of the most popular summer ...

Add Yahoo as a preferred source to see more of our stories on Google. If you’ve ever watched a kid at the beach or a playground, you know there’s one thing they rarely get tired of: digging holes. And ...