World water shortage
There are 1.2 billion people who face severe water shortages. There are 80 deficit countries in the supply of water and 2 billion people can not get a guarantee of drinking water. To meet the demand of people’s lives without…
The water cycle
The water that is collected from nature is generally not suitable for human consumption, since they contain heavy and sometimes poisonous minerals. It is usually stored in large tanks and later transported through pipes to urban or rural areas with…
Consumption of drinking water
According to the United Nations, everyone should have a source of drinking water at a distance of less than 1 kilometer. In addition, it establishes a range of between 30 and 50 liters of water per day and person so…
The water we consume
The water we consume comes from rivers, springs and wells. The water we use at home becomes wastewater and is collected in the city’s sewage system to take it to the treatment plants. In the purification stations, impurities accumulated in…