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Transcript of Untitled Prezi
85% of them don’t have drinking water.
Water is like luxury for them.
Therefore, they have to drink some dirty water.
Chen, Pengjun, Lan, Salma
Some 90% of China's cities suffer from some degree of water pollution
An estimated 700 million Indians have no access to a proper toilet, and 1,000 Indian children die of diarrhea sickness every day.
According to Wikipedia, 97% of the water on the Earth is salt water. However, only three percent is fresh water; slightly over two thirds of this frozen in glaciers and polar ice caps. The remaining unfrozen freshwater is found mainly as groundwater, with only a small fraction present above ground or in the air.
Water resources are sources of water that are useful or potentially useful. Uses of water include agricultural, industrial household, recreational and environmental activities. Virtually all of these human uses require fresh water.
Water resources are sources of water that are useful or potentially useful.
Concentrations of Conventional Pollutants
Other Nonconventional Pollutants
The government invest money to desalinate sea water to fresh water.
There are35 million cubic meters desalinated per day, of which 80% used for drinking water, and solve the problem of water supply for more than 100 million people, that 1/50 of the world's population rely on desalination to provide drinking water.
Material comes from this video.
Can you answer those question?
How many water resources we can use.
Do you know some people have no water to drink.
How many water we waste every day.
. By 2050, for instance, it is estimated that demand would go up to 1,180 million cubic meters, 1.65 times the current levels, and a situation that would be made worse by fast dwindling fresh water resources.