He works on borders in South Asia, on climate change, and on agrarian change and rural development. He has conducted extensive qualitative research in Bangladesh on a range of issues including: disputed territory along the India-Bangladesh border, the impacts of shrimp aquaculture in coastal areas, and recipient experiences with microcredit. In 2014, he initiated a new project on climate change and climate security in Bangladesh. He is the author of Sensitive Space: Anxious Territory at the India-Bangladesh Border(2016, University of Washington Press). His work has been published in a range of locations including: Political Geography, Modern Asian Studies, Ethnography, Antipode, and The Journal of Peasant Studies. He is also an Associate editor of the journal South Asia.