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Water pollution

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by

khanh le van

on 3 June 2017

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Transcript of Water pollution

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CAUSES OF WATER POLLUTION
Water pollution

- Occurs when pollutants are directly or indirectly discharged into water bodies without adequate treatment to remove harmful compounds.

DEFINITION OF WATER POLLUTION
361 000 children under 5
years died due to diarrhea.

270 000 children die during their first month of life because of sanitation, and hygiene in health problem.


200 000 deaths of children under 5 years from anopheles
DIFFERENT TYPES OF WATER POLLUTION
CONSEQUENCES OF WATER POLLUTION

+ It caused the deaths of aquatic animals
+ Diseases
+ Disruption of food chains
SOME EXAMPLES OF POLLUTANTS
-Some of water pollutants are: human trash, chemicals dumped by hospitals & other companies, runoff of chemical fertilizers ad pesticides of from farm fields, etc.
CURRENT SITUATION OF WATER POLLUTION

handful of sources that are generally the same across the board.
factories are huge cause
waste management is one of the biggest causes
* In the world:
- Top 7 Biggest Water-Polluting Countries:
1. China
2. United States
3. India
4. Japan
5. Germany
6. Indonesia
7. Brazil

•The groundwater of a number of countries.
• Inorganic form.
• Public health
• Cancer and skin lesions, disease, neurotoxicity and diabetes.


CURRENT SITUATION OF WATER POLLUTION
- In Vietnam:
+ In our daily life, there are no days people do not use water
estimate there are about 3250 litres of water being wasted everyday.
+ In 2016, in Ha Tinh, Quang Binh, Quang Tri and Thua Thien-Hue provinces in Vietnam, 80 tones of fish carcasses has been washed up
The fisherman had lost $5.2 million and thousands ha of sea were polluted.
waste
atmospheric deposition
HOW TO IMPROVE
WATER POLLUTION
Turning off the tap when running water is not necessary -> helps prevent water shortages and reduces the amount of contaminated water.

Don’t throw paints, oils or other forms of litter down the drain.
1.Nutrients Pollution
2. Surface water pollution
3. Oxygen Depleting
4. Ground water pollution
5. Microbiological
6. Suspended Matter
7. Chemical Water Pollution
Full transcript