Earlier quoted context omitted.
There isn’t much eco-friendly about cement.
I was referring to the relative comparison being made with clay brick, the same comparison the article was making. Of course, there are even better alternatives, like building your home out of solar sequestered carbon solids, i.e. wood.
Wood is not cheap outside Europe/North America and few other countries. Concrete is still the cheapest option along with steel if i am not mistaken. One thing is observe is that downsizing or reducing the size of the house is not considered a popular option.