Making cement -- the most commonly used substance on Earth after water -- is responsible for 8% of global carbon emissions. It generates CO2 both through combustion of fossil fuels & through chemical processes. Sublime Systems thinks it has solved both sides of that equation. I talk with the CEO.
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It’s exciting. Decarbonization cement (or replacing it) is going to be essential.
PLUS the end result is the same Chemistry as Roman concrete. It’s going to last forever without half the mantainence