The ordinary Portland cement (OPC) industry is an energy-intensive industry that causes many environmental problems, such as air pollution due to carbon dioxide CO2 emission to the atmosphere, which contribute to global warming phenomena. The OPC industry is responsible for 7% of CO2 emitted into the air. With the expectations of producing billions of tons of OPC to keep pace with the growing movement in the construction sector, many attempts have appeared in recent years by researchers to explore cement alternatives that are effective and environmentally friendly; hence the term green concrete appeared and detected all-over the world