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The End of Sand

Yogita Limaye investigates concerns that vital reserves of sand may be running out, with serious consequences for the planet.

Yogita Limaye investigates concerns, highlighted in a United Nations study, that vitally important reserves of sand are running out, with serious consequences for human society and the planet.

Sand is almost literally the foundation of our society. Nearly everything we build in the modern world has a concrete foundation and you cannot make concrete without sand. But it takes thousands of years to form and we鈥檙e consuming it faster than it is being replenished.

(Photo: Chinese Labourers Mine Sand On The Outskirts Of Beijing. Credit: Getty Images)

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27 minutes

Last on

Thu 20 Jul 2017 01:32GMT

Broadcasts

  • Wed 19 Jul 2017 10:32GMT
  • Wed 19 Jul 2017 21:32GMT
  • Thu 20 Jul 2017 01:32GMT