China used more cement in three years than the US did in the entire 20th century
Despite Bill Gates once tweeting about it, no one really took him seriously. According to estimates from the US Geological Survey, however, Mr. Gates was being serious.
See, the US used 4.5 gigatons of cement between 1901 and 2000. Compare that with the 6.6 gigatons of cement China used between 2011 and 2013 (according to data from the International Cement Review) and you will realize that Bill Gates is definitely not a liar.
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