Green Cement is an eco-friendly cement that uses a carbon-negative process of manufacturing. It is made by intermixing waste material from other industries- such as Blast furnace slag and fly ash with clinker. Nearly 60% less thermal energy is consumed when Green Cement is produced as compared to Ordinary Portland Cement (OPC in which clinker factor is around 0.95). The use of advanced technology makes the manufacturing process highly energy-efficient. The carbon dioxide emitted during this process is significantly low. Reports suggest that the carbon footprint is reduced by 40% during this process. Because the raw materials used in the manufacturing of green cement are mostly industrial waste, the cost of green cement is cheaper.