Benny Joseph graduated in Civil Engineering from Regional Engineering College, Tiruchirapalli, Tamil Nadu and obtained his Masters Degree in Environmental Engineering from College of Engineering, Trivandrum, Kerala. Subsequently, he obtained his PhD from Anna University, Chennai. The author has been teaching graduate and postgraduate courses in various Engineering Colleges since 1990 and his subjects include Environmental Engineering, Air and Noise Pollution, Environmental Safety, Environmental Pollution, Environmental Impact Assessment, Integrated Water Resources Management, and Environmental Science. The author is currently working as an Assistant Professor in Civil Engineering at College of Engineering, Guindy, Anna University, Chennai. The author has more than 10 papers in diverse fields to his credit. He can be reached at bennyjosephp@yahoo.com.