Adele Peters writes in Fast Company about a startup that has raised millions of dollars to make a climate-friendly cement.
- Terra CO2 is a startup that is trying to lower cement’s carbon footprint by replacing limestone that is used in the cement making process with other rocks.
- The company estimates that if half of the U.S. concrete industry replaced 20% of their blends with Terra’s, we would be able to 6 million metric tons of CO2 from entering the atmosphere every year.
- Terra is currently running two pilot plants for its cement and plans to open its first commercial plant in Denver next year.
“The startup’s process partly replaces Portland cement, the limestone-based ‘glue’ in concrete, with silicate rocks that are dug up in aggregate mines, which are already in operation all over the country.”
Read the full article here.