Different method, but related goal: I enjoyed this episode on making carbon-negative portland cement for construction https://wondery.com/shows/how-i-built-this

Different method, but related goal: I enjoyed this episode on making carbon-negative portland cement for construction https://wondery.com/shows/how-i-built-this/episode/10386-literally-unearthing-a-climate-solution-with-cody-finke-of-brimstone/ https://wondery.com/shows/how-i-built-this/episode/10386-lit...