Environmental impact assessment on renewable energy: A review

In this modern era, urbanization is increasing at a higher rate; also the government is already planned for smart cities as well. In one word we can call it is a digital world. Hence the energy consumption is increased rapidly. In recent times several probable keys to the existing environmental concerns related to toxic pollutant discharges have developed to identify and decision making for sustainable energy resolutions connected with green buildings to come across future energy demands. There are renewable sources and they are utilized in a greater manner. In this paper, an attempt is made to review on different Renewable sources of energy like wind and tidal energy, hydropower, sugarcane ethanol, water pumping systems, the concept of green buildings, lignocellulosic bioethanol, solar energy, and Li-Ion batteries. The review includes both advantages and disadvantages of the mentioned energy sources. This Paper gives a brief discussion of different sources of renewable energy and their impact on the environment.