The World in A Grain
The Story of Sand and How It Transformed CivilizationBook - 2018
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"The reason we are using so much concrete ... is the historic demographic shift: urbanization. ... We are building cities so fast that 'the volume of urban construction for housing, office space, and transport services over the next 40 years could roughly equal the entire volume of such construction to date in world history,' according to the U.S. National Intelligence Council. There's no way cities could grow this fast without sand in the form of concrete. ... Urban areas are mushrooming everywhere, but China is on a city-building spree that beggars anything the world has ever seen. ... All of this frenetic construction has made China the world's largest consumer of concrete and the most voracious consumer of sand in human history. In 2016, China used an estimated 7.8 billion tons of construction sand. ... In the next few years, that number is projected to grow to nearly 10 billion tons." (p. 218-220)
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