The Boring Company's website claims that creating bricks would reduce both the tunneling costs and the environmental impact of its projects (since
cement production accounts for over 4 % of global CO2 emissions).
Not exact matches
This uptake
accounts for ~ 50 % of the CO2 released from the combustion of fossil fuels and
cement production
In China, manufacturing and construction
account for two thirds of emissions by source (one third of that is steel
production, a quarter is
cement, chemicals and plastics produce 17 %, aluminium and other metals a further 13 %).
Industry, including the
production of plastics, fertilizers, steel,
cement, and paper,
accounts for more than 30 percent of world energy consumption.