The causes of water shortages, mainly due to the impact of human activities, which are the first problem is the greenhouse effect, resulting in a higher temperature, called Global warming is the amount of precipitation diminishing. impact on the amount of fresh water The second problem of pollution in rivers, canals and waterways from pollution caused by industrial wastewater discharge without sewage, chemical residues from agriculture and leave filth into the water. The third problem, the increase of the population has water demand in the consumer and the consumer more, as well as deforestation.
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