water is most essential things or element for us. If we want alive in this world then water is most useful or important for us.Most of work when we doing we use water mostly.If we have no water or in this planet has no water then never any animal born here.Others planet where have no water there hss no animal or lives.So if we want to live in this world we want water mostly .Our body's have 70parcent water and we need every day almost 2/3 litre water .But now the inhabitation of this world polluted the water .So we want stop that if we do not stop it at a time we have no pure water so we need to stop water pollution . And it is very important for human.