6 things you need to know about sand mining

Sand is the single most mined commodity, eclipsing minerals and metals by a colossal margin. Around 85% of the material we pull up from the earth is sand, gravel or other aggregate materials. Globally our annual aggregate consumption is somewhere around 53 billion tonnes – the equivalent to every person on earth using 20kg of sand every single day.

As sea levels rise, will drinking water supplies be at risk?

The Delaware River, a major source of drinking water for Philadelphia, is facing an emerging threat as rising seas push saltwater farther upstream. It’s a problem that other places, from Miami to Shanghai, will also confront, especially as increasing drought lowers river flows.