Atul Kumar Upadhyay is a scholar in the field of environmental science. He completed his PhD in the field of phytoremediation and constructed wetland technology at CSIR-National Botanical Research Institute, Lucknow jointly with Kumaun University, Nainital, India. He also holds a postgraduate Botany degree from Dr. RML Avadh University, Faizabad, India. Dr. Upadhyay’s research interests include the construction and design of wetland and plant-based management of water and soil pollution as well as river water rejuvenation, wastewater treatment, wetland design and soil management. He has published a number of research papers, articles and chapters in respected national and international journals. Currently, Atul Kumar Upadhyay is working as a Postdoctoral Fellow (Science and Engineering Research Board, Department of Science and Technology, India) at the department of Environmental Science, BBAU (a central university), Lucknow, India, investigating various aspects of sustainable phytoremediation and bioenergy production.Ranjan Singh is a senior PhD student at the Department of Environmental Science at Babasaheb Bhimrao Ambedkar University (a central university), Lucknow, India. He received his B.Sc. (2012) in Botany, Zoology and Chemistry from VBS, Purvanchal University, India, and his postgraduate degree (2014) in Environmental Science from VBSPU, Jaunpur. His research interests include plant physiology, stress physiology and phycological-based biofuel production, with a focus on the role of biomarkers of abiotic stress in microalgae and its biofuel production potential. He has published original research and review articles in peer-reviewed high impact journals along with many national and international book chapters and magazine articles on wetland management, biofuel crises and sustainable management of pollutants in soil and water.Devendra Pratap Singh is the former Head and Dean of the School for Environmental Sciences, Babasaheb Bhimrao Ambedkar University, Lucknow, India. An eminent scholar in the field of environmental science, he holds a PhD from the Department of Botany at Banaras Hindu University, Varanasi, India. He has worked extensively in the area of wastewater treatment, microbiology, stress physiology, bioremediation and alternative energy options. He has received several honors and awards, including more than 135 research publications in high impact factor national and international journals. He has delivered invited lectures at various seminars and symposia and has served as a principal investigator for several government-funded projects. Dr. Singh has published five books in the field of environmental microbiology and biotechnology, stress physiology and sustainable management of soil and water.