>According to the National Ready Mixed Concrete Association, each pound of concrete releases 0.93 pounds of carbon dioxide.

I am skeptical this isn't a scam

https://psci.princeton.edu/tips/2020/11/3/cement-and-concrete-the-environmental-impact#:~:text=According%20to%20the%20National%20Ready,the%20industry%20continues%20to%20grow.