why do we need clean water to drink

6. The scale of both deforestation and agricultural expansion is immense. We use an area the size of South America to grow our crops and an area the size of Africa for our livestock. This land-use change affects water in the atmosphere by altering how much water evaporates. This changes rainfall patterns downwind and there is growing evidence that clearing forests can aggravate droughts in many places. The current vegetation around the planet provides about 20% of annual rainfall on land, a number that can be three to four times as high in specific locations, and higher yet in the dry season.


Increased forest cover Б or halting deforestation Б for example, are ways of securing rainfall to cities and agricultural regions further downwind.
Why is Safe Water Essential? Water is a fundamental human need. Each person on Earth requires at least 20 to 50 liters of clean, safe water a day for drinking, cooking, and simply keeping themselves clean. Polluted water isnвt just dirtyвitвs deadly.


Some 1. 8 million people die every year of like. Tens of millions of others are seriously sickened by a host of water-related ailmentsвmany of which are easily preventable. The United Nations considers universal access to clean water a basic human right, and an essential step towards improving living standards worldwide. Water-poor communities are typically economically poor as well, their residents trapped in an ongoing cycle of poverty. Education suffers when sick children miss school.


Economic opportunities are routinely lost to the impacts of rampant illness and the time-consuming processes of acquiring water where it is not readily available. Children and women bear the brunt of these burdens. Water is obviously essential for hydration and for food productionвbut is an equally important, and complementary, use of water. A lack of proper sanitation services not only breeds disease, it can rob people of their basic human dignity.

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