Making cement from a different type of rock could clean up emissions
SMRTR summary
Making cement from basalt instead of limestone could cut CO2 emissions by nearly 30%, since basalt doesn't release carbon when processed and the whole operation can run on electricity. Recovered byproducts like iron and aluminum could also offset costs, making the approach more economically viable.
SMRTR provides this summary for quick context. The original article belongs to Ars Technica.
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