Dr Janardhan Reddy Koduru is an Associate Professor, in the Department of Environmental Engineering, Kwangwoon University, Seoul, South Korea. His research interests are as follows: Development of low-toxic nanomaterials or nanocomposites by synthetic chemistry and green routes and were utilized for energy and environmental applications. Synthesis of graphene oxide-based nanocomposites and nano-metal oxides impregnated bio-sorbents by advanced green ways for sustainable environmental remediation (water remediation). Management of waste biomaterials and re-use for environmental remediation. Dr. Rama Rao Karri is a Professor (Sr. Asst) in the Faculty of Engineering, Universiti Teknologi Brunei, Brunei Darussalam. He has a Ph.D. from the Indian Institute of Technology (IIT) Delhi, Master's from IIT Kanpur in Chemical Engineering. He has worked as a Post-Doctoral research fellow at NUS, Singapore for about six years and has over 18 years of working experience in Academics, Industry, and Research. He has experience of working in multidisciplinary fields and has expertise in various evolutionary optimization techniques and process modelling. He has published 150+ research articles in reputed journals, book chapters, and conference proceedings with a combined Impact factor of 611.43 and has an h-index of 28 (Scopus - citations: 2600+) and 27 (Google Scholar -citations: 3000+). He is an editorial board member in 10 renowned journals and a peer-review member for more than 93 reputed journals and has peer-reviewed more than 410 articles. Also, he handled 112 articles as an editor. He also has the distinction of being listed in the top 2% of the world's most influential scientists in the area of environmental sciences and chemicals for the Years 2021 & 2022. The List of the Top 2% of Scientists in the World compiled and published by Stanford University is based on their international scientific publications, the number of scientific citations for research, and participation in the review and editing of scientific research. He held a position as Editor-in-Chief (2019-2021) in the International Journal of Chemoinformatics and Chemical Engineering, IGI Global, USA. He is also an Associate editor in Scientific Reports, Springer Nature & International Journal of Energy and Water Resources (IJEWR), Springer Inc. He is also a Managing Guest editor for Spl. Issues: 1) Magnetic nanocomposites and emerging applications, in Journal of Environmental Chemical Engineering (IF: 5.909), 2) Novel CoronaVirus (COVID-19) in Environmental Engineering Perspective, in Journal of Environmental Science and Pollution Research (IF: 4.223), Springer. 3) Nanocomposites for the Sustainable Environment, in Applied Sciences Journal (IF: 2.679), MDPI. He along with his mentor, Prof. Venkateswarlu is authoring an Elsevier book, Optimal state estimation for process monitoring, diagnosis, and control. He is also co-editor and managing editor for 8 Elsevier, 1 Springer and 1 CRC edited books. Elsevier: 1) Sustainable Nanotechnology for Environmental Remediation, 2) Soft computing techniques in solid waste and wastewater management, 3) Green technologies for the defluoridation of water, 4) Environmental and health management of novel coronavirus disease (COVID-19), 5) Pesticides remediation technologies from water and wastewater: Health effects and environmental remediation, 6) Hybrid Nanomaterials for Sustainable Applications, 7) Sustainable materials for sensing and remediation of noxious pollutants. Springer: 1) Industrial wastewater treatment using emerging technologies for sustainability. CRC: 1) Recent Trends in Advanced Oxidation Processes (AOPs) for micro-pollutant removal. Dr. Mubarak Mujawar is an Associate Professor in the Department of Chemical Engineering at Curtin University, Malaysia. His areas of interest include carbon nanomaterials, synthesis, magnetic biochar production using microwaves, and wastewater treatment using advanced materials. Dr. Mubarak has published journal papers, conference proceedings, book chapters, and patent filings. He currently serves as an editorial board member for Scientific Report (Nature), and as a scientific reviewer in numerous journals in the areas of chemical engineering and nanotechnology. He was named as an outstanding scientist for publications and citations by I Proclaim Malaysia in 2017. Dr. Mubarak is fellow (FIEAust) and a chartered chemical engineer (CPEng, MIEAust) with Engineers Australia, and a chartered chemical engineer (CEng MIchemE IchemE, UK) with the Institution of Chemical Engineers, UK.