The Bay of Bengal (BoB) region is emerging as an important focal point for climate security risks. This is largely due to a multi-layered interplay of geopolitical, geostrategic, and climate-related regional dynamics. It forms the final leg between West and East Asia. The region is one of the most climate-vulnerable in the world. Its strategic, political, social and economic faultlines are also extensive. Together they create fertile ground for volatile security dynamics, social friction and violent conflict. It is a textbook example of the complex relationship between climate change and security, and how an aggregate of both could create emerging challenges for policy-planners. This Institute of Peace and Conflict Studies(IPCS) - Clingendael's PSI report studies the impacts of climate change on transnational and intra-country conflict faultlines, as well as strategic and military dynamics in the BoB by overlaying climate threat profiles over security- and conflict-centric analysis. The broader objective is to arrive at a better understanding of how climate threats interact with conflict and security in the region.