Junior Ambassador of Walk for Water Tania Begum bats to save water. The World Water Day which lies on 22nd March every year. The theme for 2018’s World Water Day is ‘Nature for Water’, exploring natural solutions to the challenges we face in the 21st century. Damaged ecosystems affect the size and quality of water available to human consumption. Today, 2.1 billion people live without safe drinking water at home; affects their health, education and livelihood. By 2030, the world will announce a sustainable development goal that everyone can get safe water, and has goals to protect the natural environment and reduce pollution.