Dr. Prasann Kumar, Assistant Professor cum Research Intensive Faculty in the Department of Agronomy, School of Agricultural (ICAR-Accredited), Lovely Professional University, Punjab, specializes in stress physiology, plant tissue culture, physiology of plant-microbe/pathogen interaction, and biodiversity management. Dr. Kumar has completed the International Agricultural Rural Development Programme from Cornell University, Ithaca, New York, USA. A doctorate from Banaras Hindu University, Varanasi. He also has authored 40 books published by national and international publishers, which find a place in national as well as various Overseas Institutions’ libraries. He has guided 19 M.Sc. students for their thesis. Prof. Veena Chaudhary is working as an Associate Professor in the Department of Chemistry at Meerut College, Meerut, affiliated with CCS University, Meerut. Dr. Chaudhary is deeply attached to chemistry, with a specialization in Environmental Chemistry. She has to her credit more than 50 research papers, two book chapters and 20 abstracts. She received numerous awards, including a Young Scientist Award, a Fellow Scientist Award, and numerous others, for her contributions to the environmental field for the advancement of the social, welfare, and agricultural sectors. She is a life member of several scientific societies. She also visited abroad several times to attend international conferences and seminars for the purpose of gathering and sharing scientific knowledge. She is handling several research projects funded by DST, UP-CST, and higher education in Uttar Pradesh. Eric D. van Hullebusch is a Professor in Biogeochemistry of Engineered Ecosystems at the Institut de Physique du Globe de Paris. He holds a Ph.D. from the Universite de Limoges. His research activities are mainly focused on the study of metals and metalloids biogeochemistry in engineered ecosystems (e.g. bioreactors) mainly dedicated to wastewater treatment for pollution control and resource recovery; investigation of the role of living organisms on the weathering of materials and minerals (concrete materials, natural and industrial glasses, metal sulfides, end of life products, WEEE and wastes such as metallurgical wastes for resource recovery, etc.); and the remediation of soils contaminated by organic contaminants. Dr. Rosa Busquets is Lecturer in Analytical and Forensic Chemistry, School of Pharmacy and Chemistry, Kingston University, UK. She is Deputy Editor of papers published in the journal Nanomaterials and the Environment (DeGruyter Open). She has also published papers in several journals, including Food Chemistry, Food Science & Technology, Molecular Nutrition & Food Research, Chemical Research in Toxicology, Journal of Chromatography A, Journal of Chromatography B, Analytical Chimica Acta, Analytical Methods in the area of food chemistry and analytical chemistry, She holds 2 patents in these fields and has written 5 book chapters.Dr Busquets has worked in nanotechnology from the perspective of food, analytical chemistry, material science and toxicology, has worked in Academia and in the Industry in the Nanotechnology sector. Arun Lal Srivastav is working as an Assistant Professor at Chitkara University, in India. He is currently involved in the teaching of Environmental Science, Environmental Engineering and Disaster Management to the undergraduate engineering students. His research interests include water treatment, river ecosystem, climate change, soil health maintenance, phytoremediation, and waste management. He has published around 50 research papers in various peer-reviewed, national and international journals, conferences, and books. He has also filed 12 patents.