The world's per capita amount of fresh water is about 8,300 cubic meters, but two-thirds of it is lost in the form of floods every year, and the remaining one-third is drinking water and irrigation water  Due to industrialization and the increase in human water consumption, the current world water consumption has increased compared with 1990 It is nearly 10 times higher
The lack of fresh water in the future is one of the restrictive factors that constitute economic development and food production
To reduce domestic water