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The blue planetThere are more than 326 million trillion gallons of water on Earth. Less than 3 % of all this water is fresh water and of that amount, more than two-thirds is locked up in ice caps and glaciers. With so much water around it seems like there is enough to see us through for millions of years. 

Conserving water
It is impossible to imagine doing our daily chores like washing dishes or clothes or even using the toilet without water. 

ill we ever run out of water?
It is comforting to think of water as a renewable resource, but we must also know what limitless exploitation of a resource can lead to. According to the UNDP, "an area is experiencing water stress when annual water supplies drop below 1700 m³ per person.

When annual water supplies drop below 1000 m³ per person, the population faces water scarcity

Water is a natural resourse because it comes from rain.

Water covers nearly three-quarters of the earth’s surface. It is mainly in oceans but is also found as rivers, lakes, snow and glaciers. Freshwater lakes and rivers, ice and snow, and groundwater hold only 2.5% of the world’s water, which most of it (about 70%) comes from glaciers and permanent snow cover. Of the total world’s freshwater supply, 30% is groundwater, including soil moisture, wetland and permafrost. By comparison, saltwater oceans and seas contain 97.5% of the world’s water supply.