Sand shortage: a global challenge
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Émission
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05 February 2018
Légende
We tend to think of sand, like air, as an inexhaustible resource: it isnʹt! Sand is the second most-used resource after water. It takes 200 tonnes of sand to build a single-family home, 30,000 tonnes to make one kilometer of road.
Sand is the second most used resource after water
