![](https://assets.weforum.org/article/image/vRVHkoKV0dygK5Gob77Q6MkmhlbvhdEwRSWrFntmGTo.jpg)
Urban Transformation
The world is running out of sand
Over exploitation of global sand supplies is putting the environment at risk and prompting global shortages.
Originally from Madrid, Dr. Aurora Torres is a Reserach Fellow at The German Centre for Integrative Biodiversity Research (iDiv) and Martin Luther University Halle-Wittenberg (MLU).