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concrete: how much, per second and per year

concrete · the most used substance on earth after water
poured, tonnes
30 billion
a year
951
a second
82 million
a day
co2 from making the cement, tonnes
2.5 billion
a year
79.2
a second
6.8 million
a day

method USGS cement production (~4.1 Gt) scaled to concrete (~30 Gt); cement CO2 from GCP/Andrew.

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