Dr. Vrinda Negi is Assistant Professor, M.K.P. PG College, Dehradun. She obtained her Ph.D. degree in Environmental Science from G.B. Pant University of Agriculture & Technology, Pantnagar. She specializes in active biomonitoring of heavy metals in the ambient air with the help of mosses. She has co-authored several books on ecology, environment and agriculture and has published articles and research papers on the same. She is also a trained Climate Reality Leader creating awareness about the causes and consequences of climate change and suggesting solutions to get rid of climate crises. Dr. Nanda Nautiyal, Assistant Professor of Environmental Science at Swami Rama Himalayan University for more than three years. Currently she is a freelance environmental activist and a Climate Reality Leader rendering valuable services to ecological restoration and climate change mitigation. She acquired her Ph.D. in Environmental Science from GB Pant University of Agriculture and Technology, Pantnagar. She won the prestigious Inspire Fellowship of DST, Government of India, for her outstanding performance in her masters' degree programme in Environmental Science. She got exposure to professional trainings at the International Centre for Integrated Mountain Development (ICIMOD) based in Kathmandu, Nepal and at the Department of Geoinformatics, Hydrology and Modelling (DGHM), Friedrich Schiller University, Jena, Germany. She worked on the Integrated Land Management Systems (ILMS) Project sponsored by the German Federal Ministry of Education and Research (BMBF). She has published several books and scientific articles in national and international journals. Prof. Dr. Vir Singh, Professor of Environmental Science at GB Pant University of Agriculture & Technology, Pantnagar. He has more than three decades' experience of teaching and research. He has been educated and trained in many universities and institutes in India and abroad. He has worked on many projects in collaboration with international institutes. He has travelled extensively in many Asian, European countries and North America and has organized many national and international conferences/symposia/ workshops. Prof. Singh has published 42 books, number of monographs, a lab manual, and about 200 articles. Prof. Vir Singh is also a Climate Reality Leader committed to creating awareness about the on-going climate change and its long-term implications on every walk of life, and attempts to influence policies, programmes and projects for climate change mitigation.