Novacem Making CO2 absorbing cement and Could Eventually Absorb up to 6 trillion tons of CO2
The UK Guardian reports on Novacem, a company that is making cement from magnesium silicates that absorbs more CO2 as it hardens. Normally cement adds a net 0.4 tons of CO2 per ton of cement, but this new cement would remove 0.6 tons of CO2 from the air. This is competitive with the claims of …