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| Term | Definition |
|---|---|
| World water day | 22nd March is celebrated as " World Water Day" every year to attract the attention of everybody towards the importance of conserving water. |
| International year of fresh water | Year 2003 was observed as the International Year of Freshwater to make people aware of this dwindling natural resource. |
| U N recommendations | The amount of water recommended by United Nations for drinking, washing, cooking and maintaining proper hygiene is a minimum of 50 litres( 2 and 1/2 bucket)per person per day. |
| Water conservation | Why water conservation? - There is an acute shortage of water. More than one third of the people in the world could face water scarcity in near future. |
| Amount of Water on Earth | 71 percent of the earth’s surface is covered with water that is contained in the seas and oceans, rivers, lakes, ice caps, as groundwater and in the atmosphere. |
| Water Consumption | However, most of this water is not fit for human consumption. Roughly only 0.006 percent of all water found on the earth is actually freshwater and is available for human consumption. |
| Circulation of 3-Forms of water in nature | Water circulates through the water cycle in all the three forms, i.e., solid form -snow and ice, as ice caps at the poles, snow-covered mountains and glaciers, Liquid water - |