September (Fourth Sunday) - World Rivers DayWorld Rivers Day is celebrated on the last Sunday of September. In 2021, it falls on 26 September. The day highlights the importance of rivers and generates awareness and encourages people to improve and save water, rivers around the world. It is necessary to care for our water resources.as we know water is great source and powerful energy brings to all creatures .Without air ,water we can't sustain our daily life even we can't live for small seconds too then why we can't save it instead wasting too much .So better to keep taps while you are not using road water ,canal pipes ,etc.