Dr. Sayan Bhattacharya is currently working as an Assistant Professor in the School of Ecology and Environment Studies, Nalanda University, Rajgir, India. He completed his MSc and PhD in Environmental Science from the University of Calcutta. He completed two years of post-doctoral research at Presidency University, India. He has published 30 international journal papers, 10 book chapters, 45 international conference proceedings, and many national conference proceedings, and delivered lectures at the University of Oxford, University College London, University of Indonesia, Vietnam National University, and Jadavpur University, among others. He has over 10 years of teaching experience at the University of Calcutta, Rabindra Bharati University, Viswa Bharati University, and Vidyasagar University, India.