Bangladesh is one of the largest deltas of the world and its rivers and floodplains support life, agriculture, livelihood, and economy. The country is defined by the fertile alluvial delta, with almost a third of the country lying in less than five meters above sea level. However, the coastal zone, the low-lying area, is highly vulnerable, especially to cyclones and storm surges. In addition, salt-water intrusion, floods, sea level rise, thunder intensify the vulnerability of the community of the areas. These problems are likely to become even worse due to climate change adverse impact.
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