Rajeev Pratap Singh is currently working as Associate Professor in the Institute of Environment and Sustainable Development, Banaras Hindu University, Varanasi, India. He also works in the area of waste management and has worked on various kinds of waste, such as fly ash, sewage sludge, tannery sludge, palm oil mill waste, and contained water irrigation. He has published many publications in reputed journals on waste management and similar topics. Dr Singh has received several international awards, like – ‘Green Talent’ award from Federal Ministry of Education and Research (BMBF), Germany; Prosper.Net Scopus Young Scientist award, DST Young Scientist Award etc. Ibha Suhani has completed her M.Sc. in Environmental Science from Banasthali Vidyapith, Rajasthan, India. She has completed her Masters in Philosophy in Environmental Science from Institute of Environment and Sustainable Development (IESD), Banaras Hindu University, Varanasi, India. She is a Ph.D. research scholar currently working in the field of environmental science, ecotoxicology, solid waste management and sustainability at the Institute of Environment and Sustainable Development (IESD), Banaras Hindu University, Varanasi, India. During her doctoral research she has worked on the current issue of salt affected lands by using amelioration techniques through utilizing compost and vermicompost. Currently she is working to check the threshold of earthworm for naturally sodic soil and organic amendments. Norli Ismail holds a BSc (honour) in Environmental Science from Universiti Putra Malaysia and completed MSc in Chemical Processes and PhD in Environmental Technology at Universiti Sains Malaysia. Prof, Dr. Norli join the School of Industrial Technology as a lecturer attached to Environmental Technology Division, USM in October 2003. At present she is a dean of the School of Industrial Technology (2019 – Dec. 2021). Prof. Dr. Norli has research experienced in various areas of environmental science and technology with emphasis on water quality, management issues, and treatability studies in relation to water, wastewater and analytical testing. Vaibhav Srivastava is currently working as an Assistant Professor in the Department of Botany, Faculty of Science, University of Allahabad, Prayagraj-211002, Uttar Pradesh, India. Previously, worked as Assistant Professor in the Department of Health, Safety and Environment, Sustainability Cluster, University of Petroleum and Energy Studies. Dr. Srivastava did his masters (M.Sc.) from the University of Allahabad, Prayagraj and Ph.D. from the Banaras Hindu University, Varanasi, India in Botany. During his doctoral research, he has put innovative ideas and tried to develop an economically cheaper and sustainable method of solid waste management and performed vermicomposting of municipal solid waste (MSW) as a circular economy-based management approach.