Cement is a big carbon emitter and quality is costly: a civil engineer explains
![Cement is a big carbon emitter and quality is costly: a civil engineer explains](https://cdn.modernghana.com/content/200/120/12302020113338-1j041q5ccw-writer.jpg)
Every year the world uses 4 billion tonnes of cement to make the concrete that goes into buildings and other infrastructure. It leaves a huge carbon footprint, and comes with o . . . .