Rivers generally originate from a mountain or a lake. They be very much important for our existence and economy. But unfortunately we are kill our rivers by throwing industrial and domestic wastes. Most of the industries have waste treatment plants. These kinds of industries are release liquid wastes directly and continuously pollute the water. Our unconscious people also throw different kinds of waste materials into rivers. So, to keep the existence of fishes and other species live in the water is impossible. It is high time the government and the people work together to save the rivers. Otherwise a happy, prosperous and pollution free environment can't be ensure for the next generation.