Moharana Choudhury is an Indian researcher and environmentalist. He is currently serving as a research coordinator in the Environmental Research and Management Division of "Voice of Environment" (A Scientific and Environmental Research Organization) in Guwahati, Assam, India. Choudhury has worked on various scientific projects across multiple government departments and has more than 14 years of experience in environmental research and services. He began his career as a research intern at the National Institute of Disaster Management in New Delhi, followed by a Junior Research Fellow position at the North Eastern Space Application Center (Department of Space, Government of India/ISRO Unit). Choudhury has authored or edited more than fifteen (15) books with internationally reputed publishing houses and more than 45 articles in internationally reputed journals, proceedings, and more than 65 book chapters. He has written many articles and scientific reports in popular magazines. He has been working as an editor and reviewer for various prestigious international publishing houses worldwide, including Elsevier, Royal Society of Chemistry (RSC), Springer, Frontiers, Wiley, CRC Press/Routledge, Apple Academic Press, and Cambridge Scholar Publishing. Choudhury is working on various environmental conservation activities in Assam and throughout the country. He has worked on several initiatives to integrate environmentally sustainable projects into iconic heritage places, wetlands, and ecotourism spots in Assam, India, especially to promote cleanliness and combat single-use plastic pollution. 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. He has completed his education with an MSc, PGDGIS, PGDEM, and PGCGARD from Gurukul Kangri Deemed to be University, Haridwar, Uttarakhand, North Eastern Hill University (NEHU), Shillong, Meghalaya, Tezpur University, Assam, and the National Institute of Rural Development (NIRDPR), Hyderabad, India, respectively. 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 is a professor at the University of Johannesburg, South Africa. His research centers on chemical treatment in environmental engineering, environmental monitoring, and 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.
