Global – Water Pollution
Freshwater pollution problem known since antiquity. One of the first historical evidence is the story of Scripture on one of the ten plagues of Egypt, which describes the transformation in “blood” from the Nile river water, a biological phenomenon because of contamination caused by microorganisms.
With increasing population and the emergence of industrial water pollution of rivers, lakes and even ground water continues to rise. Pollution caused by domestic and industrial waste, deforestation and land-use practices, significantly reduce the availability of water that can be used.
WHO and water pollution
World Health Organization defines the pollution of fresh water as follows: “It should be noted that the water is contaminated, when the composition or state is changed so that they no longer meet the requirements for use in their original state.”
According to the definition given by WHO for water pollution should also be considered, both physical changes, chemical and biological water because of temperature changes caused by the emission of hot water.
Who is responsible for water pollution?
There is always a natural water pollution caused by animal and plant remains by mineral and gas substances that dissolve when the water body through various lands, but this can not accuse nature to follow the natural cycle.
Therefore primarily responsible for water pollution of our planet are men, through our activities.
* Water pollution by industry: this is related to the use of water is in the process industries. Some industrial consumption of contaminated water into rivers and seas without any control.
* Water pollution from livestock and agriculture due to intensive farming of livestock and misuse of fertilizers and pesticides in agriculture.
* Water pollution from urban and domestic use: it is caused from the use of domestic and urban waste water.
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Although many people surviving in industrial nations take water and sanitation as a given, around 884 million people lack having access to safe normal water as well as a total of more than 2.6 billion people don’t gain access to basic sanitation. Annually, over two million people die as a result of loss of normal water and diseases brought on by contaminated water. Diarrhea, mainly brought on by drinking infected water, could be the second most significant reason for the death of children below the age of five.