London New York Kolkata Shanghai cities will submerge inside water:

  With lot of raise in the number of factories around the world, which results in excess of carbon- di- oxide release around the world.With carbon di oxide given off by burning coal, oil, and gas which might results in all of Antarctic ice would melt.If Antarctic ice melts then the sea level would be pushing to 60 metres high, if so then the houses will be flooding and more that billion people worldwide will be in floods, researches has found. Mainly cities like London, Newyork, Tokyo, Shanghai, Kolkata might fully submerged inside the sea. To avoid this disasters we should reduce the burning of coal, oil, and gas all over the world.