Undoubtedly the south-western region of the country has been affected mostly, although the adverse effects of climate change fell upon the whole country. Life and livelihood of the people these area is facing extreme threat due to many reasons. The number of population has bee lessened by sixty thousand in Khulna due to shutting down the livelihood though population of the other area has been increased during the last decade. Remedial steps have not been taken though salted water encroached on the farmland breaking the coastal bank Rather influential sham cultivator are cultivating lobsters penetrating salted water cutting the dam of the bank. Because this salinity the variety of animal kingdom, environment, agriculture and fish resources of sout west part of the country are being destroyed on the whole. In order to reduce salinity the flow of sweet water from the upstream course has to be increased and the entrance of the salty sea water hi to be blocked. At the same time dried up rivers are also to be dug / excavated to increase the navigability. In spite of the limited production of salinity tolerant rice in the southwestern regions recent times, the farmers are getting a little benefit. The quality of this rice has to be upgraded. On the other hand, a strict law must be enacted to restrict the production of shrimps by letting / allowing salty sea water on the farmlands of that region.