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It's no secret that America has an unhealthy obsession with size, whether it be food portions or cars, and houses are no different. The long-running trend runs deeper than the McMansion typology many Americans are familiar, according to Professor Sonia A. Hirt. In a recent study, Hirt... View full entry
All of America’s cement consumption during the [20th] century adds up to around 4.4 gigatons (1 gigaton is roughly 1 billion metric tons).
In comparison, China used around 6.4 gigatons of cement in the three years of 2011, 2012 and 2013 [...]
The country is urbanizing at a historic rate, much faster than the U.S. did in the 20th Century. More than 20 million Chinese relocate to cities each year, which is more people than live in downtown New York City, Los Angeles and Chicago combined.
— washingtonpost.com
