Majeti Narasimha Vara Prasad is Emeritus Professor in the School of Life Sciences at the University of Hyderabad in India. He received his PhD in Botany from Lucknow University, Lucknow. In past he worked as Lecturer at North Eastern Hill University, Lecturer & Reader at University of Hyderabad. He is also serving as reviewer in many scientific journals. He is professional member of National Institute of Ecology New Delhi, India, Bioenergy Society of India, New Delhi, Indian Network for Soil Contamination Research, New Delhi. He also completed 20 research projects. He has published 179 articles in peer review journals in which contributed as author/co-author. He supervised 17 PhD and 7 M.Phil students, all students received award in his supervision. Dr Meththika Vithanage is a Professor in Natural Resources at University of Sri Jayewardenepura, Sri Lanka. Her research approach builds on enabling measurements of concentrations and reaction rates in environmental samples for key/emerging pollutants in the environment in order to assess their fate and transport to discover solutions to remediate those using different geo/bio/nano materials. Dr Vithanage’s contribution to science has been recognized by The World Academy of Sciences (TWAS) presenting the Fayzah M. Al-Kharafi award in 2020. She is a Fellow of the National Academy of Sciences, Sri Lanka, and Institute of Chemistry, Ceylon, and was selected as one of the Early Career Women Scientists by the Organization for Women Scientists in Developing Countries, Italy. Her outstanding performance in research publications was recognized by the Presidential Awards, Sri Lanka, for consecutive 8 years from 2011