Xavier Savarimuthu SjXavier Savarimuthu, SJ, is currently Head of the Department of Environmental Studies at St Xavier's College, Kolkata. He has more than 15 years' teaching experience at the undergraduate level. His areas of interest include epidemiology, remote sensin and arsenic mitigation measures. He teaches courses on environmental ethics, waste water treatment, environmental management, water pollution and water resource management. Read More Read Less