Re:Planet enlists machine learning experts to parse Amazon b...
by DanBC on Thursday April 20, 2017 @08:51PM
(#14162213)
Between 2011 and 2015 China poured more concrete than the US did in the entire 20th century.
Sand is one component of most concrete.
https://www.theguardian.com/cities/2017/feb/27/sand-mining-g...
Is it the one caused by dams?