There is threat to submerge 99% of lands in Barisal Divisional region for the gradual affect of climate change. As a result the crops, fish, livestock, wild animals, health, fuel, infrastructure for mills & industries, biodiversity, and inhabitation are in a great risk for natural disaster like flood,, draught, salinity, increase of temperature, increase of sea level, tornado and cyclone. The livelihood and earning source of the poor inhabitants of this area will be demolished. As a result extreme poverty, immature death, and epidemics will be broken out. The traditional species of fishes and turtles will be eliminated. The water herbs will be abolished and the water of rivers and marshlands will be empty of sweet water traditional fishes. The forest will be abolished especially The Sundarban Forest will be abolished and the safe habitats for wild animals and honey bees will be reduced or eliminated gradually. The rivers will be filled with the silt from sea water and flood. The great