Dr. Rajarshi Mitra has done his Masters in Environmental Science from University of Kalyani, West Bengal, India and did his Ph.D from Jadavpur University, Kolkata (Calcutta). His area of research interest is Environmental Management and sustainability. He has a number of publications on sustainability assessment, ecosystem valuation and environmental management. In addition to the academic research and teaching, he has gathered experience in the field of Environmental consultancies too. Presently, Dr. Mitra is serving as a Lecturer of Environmental Science in Vivekananda College, Thakurpukur under University of Calcutta. Popular science writing is one of the hobbies of Rajarshi having nearly 150 popular science articles published in National level newspapers, magazines, newsletters etc.