Moharana Choudhury is a researcher and environmentalist from Guwahati, Assam, India. He has completed his education as an M Sc, PGDGIS, PGDEM, and PGCGARD from Gurukul Kangri Deemed to be University, Haridwar, Uttrakhand, North Eastern Hill University, Shillong Meghalaya, Tezpur University, Assam, and NIRD Hyderabad, respectively. Choudhury has worked on various scientific projects in various Government departments and has more than 10 years of research and working experience in the field of environment. He began his career as a research intern at the National Institute of Disaster Management in New Delhi, followed by the North Eastern Space Application Center (Department of Space, Government of India) as a Junior Research Fellow. Choudhury has authored or edited books with internationally reputed publication houses and more than 30 articles in national and internationally reputed journals, proceedings, and more than 20 book chapters. He has written many articles and scientific reports in popular magazines; He is working now as an editor of various renowned publishing houses. Choudhury is working on various environmental conservation activities in Assam and the country. He has worked on several initiatives to integrate environmentally sustainable projects for iconic heritage places, wetlands, and ecotourism spots in Assam, India, especially for cleanliness and beating single‐use plastic pollution missions. He contributes to various environmental research, management, social media mass awareness, and research studies. He is also well known in India for his efforts to implement environmental education and safeguard the privileges of environmental degree holders in India. Sushobhan Majumdar is an Assistant Professor in the Department of Geography at Pandit Raghunath Murmu Smriti Mahavidyalaya (Affiliated to Bankura University, India). He is an applied geographer who holds a doctorate in geography from the Department of Geography at the Faculty of Science at Jadavpur University in Kolkata and a postgraduate degree from Presidency University in Kolkata. Previously he was employed by the Government of West Bengal as a ‘Group A Officer’ in the “Minority Affairs and Minority Education Department. He is presently engaged in research on the design and development of environmental geographies. Urban geography, social geography, regional development and planning, remote sensing and GIS, and geography of transport are among his main areas of study. Additionally, he is working on different development projects for the Government of West Bengal's Socio 3 Economic Planning Unit of the Kolkata Metropolitan Development Authority (KMDA). He has more than 50 research papers published in a variety of reputable journals, proceedings, and edited volumes both nationally and internationally. He has already authored two edited volumes on urban related issues. He has held an excess of 30 national and international seminars and conferences, both in India and overseas. He gave guest or special talks as part of numerous national and regional programs. He holds memberships in the Geographical Society of India, the Regional Science Association of India (RSAI), the Institute of Indian Geographers (IIG), and the National Association of Geographers of India (NAGI). He has recently been heavily involved in mapping and simulating surface temperatures in Indian metropolises and their effects on the environment. Mika Sillanpää’s research work centers on chemical treatment in environmental engineering and environmental monitoring and analysis. The recent research focus has been on the resource recovery from waste streams.Sillanpää received his M.Sc. (Eng.) and D.Sc. (Eng.) degrees from the Aalto University where he also completed an MBA degree in 2013. Since 2000, he has been a full professor/adjunct professor at the University of Oulu, the University of Eastern Finland, the LUT University, the University of Eastern Finland and the University of Johannesburg.
