Water is key to life. All plants and animals need water to survive. Without water there would be no life on earth. Our body needs water to stay hydrated and work properly. Considering the importance of water in our lives and the need for preserving it for future the world celebrates Water Day every year on this day. World Water Day which is held annually on 22 March focuses on the importance of freshwater and the sustainable management of freshwater resources. The day is also celebrated to raise awareness of the 2.2 billion people living without access to safe water.