Rangabhashiyam S is currently working as Assistant Professor in the School of Chemical and Biotechnology, SASTRA Deemed University, India. He received his Doctor of Philosophy degree from National Institute of Technology Calicut, India. He has received Post-Doctoral Fellowship from Max Planck Institute for Dynamics of Complex Technical Systems, Germany, received National-Post Doctoral Fellowship from SERB-DST, India, selected as Young Scientist by DST, India for the BRICS Conclave held in Durban, South Africa and received Hiyoshi Young Leaf Award from Hiyoshi Ecological Services, Hiyoshi Corporation, Japan. His major research interests are bioremediation and wastewater treatment. He is Editorial Board Member in Scientific Reports, Biomass Conversion and Biorefinery, Associate Editor in International Journal of Environmental Science and Technology, IET Nanobiotechnology, Frontiers in Environmental Chemistry, Academic Editor of Adsorption Science and Technology and Editorial Board of Scientific Reports. He has published more than 90 papers and also contributed several book chapters including editing books from Elsevier and Wiley. He is listed in the World's Top 2% Scientist published by Elsevier, Stanford Ponnusami V is presently working as Associate Dean in the School of Chemical & Biotechnology, SASTRA Deemed University, India. He graduated from A. C. Tech., Anna University and did his doctoral research in SASTRA Deemed University, India. He has rich industrial and academic experience. His research interests include domestic and industrial wastewater treatment, bioconversion of lignocellulose, and bioprocessing. His group is working on photocatalysis, production of renewable fuels and microbial polysaccharides. He had published over 50 research papers in international journals. Pardeep Singh is presently working as an Assistant professor Department of Environmental Study, PGDAV College, University of Delhi, New Delhi, India. He obtained his doctorate degree from the Indian Institute of Technology (Banaras Hindu University) Varanasi. He was also selected as Young Scientist by DST, India for the BRICS Conclave held in Durban, South Africa. His research interests include waste management, wastewater treatment, water scarcity and global climate change. He has published more than 75 research/review papers in international journals in the fields of waste and wastewater treatment/management. He has also edited more than 40 books with various international publishers like CRC Press, Elsevier, Springer Nature, Wiley and IGI.