Although concrete is considered to be a sustainable material that is generally eco-friendly and can be regarded as a green one, it is necessary to look at its constituents and their effect on the environment. One of the most detrimental parts of the concrete that is a heavy CO2 emitter is cement, which is currently most frequently used for the material preparation. Still, today already there is a lot of information available on more eco-friendly constituents of concrete that result in the same firmness, but bring less harm to the environment. In the article by Berry, Cross and Stephens ( Continue reading...