Dhaka, Dec. 8 -- Flooding due to river erosion is the biggest problem of Koyra, Khulna. Every year from April to June, there is extreme anxiety among the people of Koyra. With climate change, the intensity of tides and changes in the movement of the river, the risk is increasing in this coastal region bordering the Bay of Bengal.Meanwhile, the approval of the mega project worth about 12 thousand crore taka has given hope to the coastal people for the long-awaited construction of a sustainable dam, but there is pent-up anger among them due to the slowness and irregularities in the work. Despite sufficient allocation for the mega project.Sand is being illegally extracted from the Kapotax and Shakbaria rivers and used for dam construction. I...