At present, the proportion of known quantity. 97% of the world's water, sea water, and the remaining 3% is fresh water. In addition, two-thirds of it is fresh water ice that humans rarely utilized at all. Therefore, the fresh water use only 1% are men only. If we organize properly to fit the whole world 6000 million people, it will be enough, but fresh water sources that are not equally distributed in the various countries where there is fresh water, there are almost no makklap men lived, but where there are humans living there are not massively fresh water use. Moreover, Water in some places has much more of the toxic contamination. These conditions are causing human water consumption all over the world. There are increasing problems.
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