calcium carbonate
1 statements across 1 episodes · 0 bullish · 0 bearish · 1 people on the record · first statement Nov 17, 2022 by Leah Ellis · across every show →
Everything said about calcium carbonate, oldest first
Nov 17, 2022 neutral
Ellis: Concrete absorbs CO2 over centuries, acting as a carbon sink
“Cement, Portland cement does recarbonate over time. So if you have like a piece of pavement, for example, it will continue to absorb CO₂ from the atmosphere over timescales of, you know, Decades to hundred years or millennia will totally turn back into calcium…”