For a clear framework of governance of population flow affecting Dhaka and its peri-urban areas, it is important to identify and distinguish the climatic and non-climatic issues. For the first set of issues, scientific data on sea level rise, salinity and the degree and frequency of natural disasters need attention, while the second set of issues requires an examination of the politics of exclusion and extortion, filling-up of wetlands, pollution and death of waterbodies, lengthy legal disputes on agrarian property and iniquitous access to pedestal natural resources like char (alluvial landforms).