The common binder which is used in the construction industries all over the world is Ordinary Portland Cement (OPC). OPC gives required strength and durability to the buildings. But during the process of cement manufacturing a large amount of Co 2 is emitted. Since it is the commonly used binder, the emission of Co 2 is significantly greater. To reduce the emission of Co 2 some of the developed countries are focusing on other types of binder which emits less Co 2 . In construction industry, river sand are mainly used as the fine aggregates, which has resulted in depletion of few rivers and also lead to saline water intrusion from the nearby seas. So the government has prohibited the sand mining to preserve the natural resource. This increased the demand and cost of sand. To overcome the above criteria the river sand is fully replaced with copper slag and the cement is fully replaced with flyash (90% & 80%) and metakaolin (10% & 20%). This paper gives an overlook of mechanical and durability properties of geopolymer concrete using Metakolin and Copper Slag along with activator solutions. © BEIESP.