Sand mining destabilises riverbeds and affects local communities but new hi-tech surveillance can improve the monitoring of ...

By volume, mining waste is the single largest source of waste we make. There's nothing magical about sand. It's made up of particles of weathered rock. Gravel is larger particles. Our research has ...

It is relatively cheap and easily extracted. Unlike critical minerals or deep-sea mining -- both of which have attracted significant scrutiny -- sand extraction in marine environments remains ...

This is mainly because of its texture, which is close to a regular sand block. Suspicious sand will only have a few cracks on top of regular sand texture. Suspicious gravel also has the same issue ...