Abstract
The concrete which is made with waste materials which are not harmful for the environment, use limited energy in their manufacturing and emits a less amount of carbon dioxide, is known as Green Concrete. Production of cement emits about 8–10% of the world's total Carbon Dioxide which is a major cause of pollution and impacting the environment. In this review paper different waste materials have been considered which can be used in replacement of cement. The basic characteristics of major concerning wastes like fly ash, silica fumes, waste glass powder and ceramic powder have been compared. Comprehensive data from various researchers has been compared and reviewed in order to show the potential utilization of these wastes into value added products. To provide a road map for future researchers, wide range of their physic-chemical properties has been prepared, as it was already clear that the properties of wastes may differ with respect to place of origin.
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