A Sand Shortage? the World is Running Out of a Crucial Commodity
upstart writes:
A sand shortage? The world is running out of a crucial:
An insatiable global appetite for sand, one of the world's most important but least appreciated commodities, is unlikely to let up anytime soon. The problem, however, is that this resource is slipping away.
Our entire society is built on sand. It is the world's most consumed raw material after water and an essential ingredient to our everyday lives.
Sand is the primary substance used in the construction of roads, bridges, high-speed trains and even land regeneration projects. Sand, gravel and rock crushed together are melted down to make the glass used in every window, computer screen and smart phone. Even the production of silicon chips uses sand.
Yet, the world is facing a shortage - and climate scientists say it constitutes one of the greatest sustainability challenges of the 21st century.
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