Feb 21, 2023
Brent Constantz is the CEO of Blue Planet, a company that makes limestone aggregate for concrete from demolished concrete and CO2 from industrial flues. It is about 40% carbon dioxide, mineralized and locked out of the atmosphere permanently. Peter Fiekowsky joins us also from Silicon Valley, and Pugwashites Derek Paul, Ellen Judd, Peter Meincke, and Michel Duguay question Constantz, eager to learn how this remarkable concrete is produced. and where it will be used. A large Canadian company, Lafarge, will be building plants to create carbon negative concrete. For the video, audio podcast, transcript, and public comments; https://tosavetheworld.ca/episode-547-can-concrete-be-carbon-negative.