Meththika Vithanage is a Professor in Natural Resources and the founding director at the Ecosphere Resilience Research Centre, University of Sri Jayewardenepura, Sri Lanka. She is now serving as an Adjunct Professor in the Institute of Agriculture, University of Western Australia and University of Petroleum Engineering Studies, India for 5 years from 2022. Her academic background covers water chemistry, environmental remediation of toxic metals, antibiotics, agrochemicals, microplastics and waste biomass conversion. She was elected as a Fellow of the National Academy of Sciences in Sri Lanka (NASSL) in 2022. She is considered as the first ever scientist in Sri Lanka who was selected to the Most Cited Researcher – 2021 by Clarivate. The prestigious Fayzah M. Al-Kharafi award from The World Academy of Science (TWAS) in 2020 was awarded to her. She became the Chairperson of the Young Scientists Forum in 2017 and Chairperson of the Section for Engineering, Architecture and Surveying of the SLAAS, Sri Lanka in 2018. She has received Presidential Awards for Scientific Publications for 10 years. Further, Prof. Vithanage is considered listed as the top most scientist in Sri Lanka for the Environmental Science based on the scientific output in the International scientific publishing website SCIVal. She is one of the leading researchers on Biochar and listed in the top 10 authors who have published SCI articles on biochar. Further, she was listed as Top 2% of the most cited scientists across various disciplines globally in 2017, 2019 and 2020. She has contributed over 200 Science Citation Indexed journal articles, over 40 book chapters and 4 co-edited books published by Elsevier Inc. Her citation record is over to 13000 with an H index of 54.