Fully replacing conventional building materials with CO2-storing alternatives in new infrastructure could store as much as 16.6bn tonnes of CO2 each year, according to new research published in Science.
It found transitioning to carbon storage can be accomplished with ‘relatively minor changes to the composition, such as using carbon-rich aggregates in concrete or biomass fiber–based brick’.
“The total storage potential is far more sensitive to the scale of materials used than the quantity of carbon stored per unit mass of materials,” it stated.
“Moreover, the carbon storage reservoir of building materials will grow in proportion to demand for such materials, which could reduce demand for more costly or environmentally risky geological, terrestrial, or ocean storage.”
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