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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.
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