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The Internal Displacement Monitoring Centre (IDMC) in 2015 describes Bangladesh as one of the most-at-risk countries in South Asia and highlights the danger of future climate change impacts. Bangladesh was ranked 1st on the 2014 Climate Change Vulnerability Index and fifth on the 2015 Global Climate Risk Index. IOM’s research on “Assessing the evidence: environment, climate change and migration in Bangladesh” in 2010 concludes that sudden-onset (floods, cyclones and riverbank erosion) and slow-onset natural hazards (such as coastal erosion, sea-level rise, salinity intrusion, rising temperatures, changing rainfall and drought patterns) have an impact on migration in Bangladesh. Kniveton et al. (2013) estimate that around 9.6 million people, excluding temporary and seasonal migrants, will migrate due to climatic factors between 2011 to 2050 in the country. Though Bangladesh has made significant achievements in different sectors, like primary education, maternal health, child mortality and poverty reduction, climate change, disasters and environmental degradation still threaten development outcomes and investment.