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The advancement and improvement in the fields of technology and economy have not only improved the quality of human life but have also paved the way for global environmental degradation. In fact, the rapid depletion of natural resources and various environmental problems, viz., deterioration of air quality, global warming and climate change, contamination of water and soil, groundwater depletion and disposal of solid etc. are threatening the survival of life on earth.||About the Author: Anuj Kumar Purwar is Assistant Professor & Head, Department of Civil Engineering, Skyline Institute of Engineering & Technology, Greater Noida (UP). His research interests are Environmental Engineering, GIS & Remote Sensing and Surveying. He has to his credit several research papers and has authored books in the areas of Geoinformatics and Basic Civil Engineering.