Solution

The people of bangladsh can solve the problem in short term.If only the goverment is willing to give a fraction of its money to buy or hire crolled burning vessles with skilled personal to drive the machines.And spesific aircrafts to disperant a chemical to dissolve the oil no longer affect the water and land next to it.Another way is skimming. Skimming the water will removed the oil particals from another substance ,in this case water.It depolys a tube to remove the chemicals and needs two moving boats with it.