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Content
 Definition of pollution
 Types of pollution
 Air pollution
a) Introduction b) Cause
c) Effects d) Prevention
...
Content cont……….
 Land pollution
a) Introduction b) Cause
c) Effects d) Prevention
 Noise pollution
a) Introduction b) C...
Definition of pollution
 Pollution is the introduction of contaminants into a
natural environment that causes
instability...
What is air pollution
Air pollution is the introduction of
chemicals, particulate matter, or
biological materials that cau...
CAUSES OF AIR POLLUTION
 - Industries.
 -Automobiles and Domestic fuels
 -High Proportion of undesirable
gases,such as ...
EFFECT OF AIR POLLUTION
Air Pollution affects???
 Human health
 Animals
 Plants
 The atmosphere as a whole
How to prevent air pollution
 Carpool
 Walk or ride a bicycle
 Connect your outdoor
lights to a timer or use
solar ligh...
Water pollution
What is water pollution
Water pollution is the
contamination of water bodies. E.g.
lakes, rivers, oceans, groundwater.
Wat...
Causes of Water Pollution
 About 40% of Deaths
worldwide are caused by
Water Pollution.
 Water Pollution is Caused
by or...
Effects of Water Pollution
 Diseases like Cholera
 Malaria
 Typhoid (spread during the rainy season )
 Aquatic life ge...
How to prevent water pollution
 Rivers should not be used
for washing clothes or
bathing animals in.
 Dams should be cre...
NOISE POLLUTION
Noise pollution is displeasing
human, animal or machine-created
sound that disrupts the activity
or balanc...
Causes of Noise Pollution
 Traffic Noise
 Air craft Noise
 Noise from construction
and civil engineering
works.
 Noise...
Effects of Noise Pollution
 Hearing Loss
 High Blood Pressure
 Stress
 Sleep Disturbance
 Color Blindness
How to prevent noise pollution
 The government should
ensure the new machines
are noise proof.
 Airports should be away
...
LAND POLLUTION
Land pollution is the degradation
of Earth's land surfaces often
caused by human activities and
their misus...
Causes of Land Pollution
 Throwing garbage
 Construction
 Waste
 Industrial waste
 Mining
Effects of Land Pollution
 Agriculture
 Littering
 Climate
 Biodiversity
How to prevent land pollution
 More and more land should
be brought under farming.
 Trees should be planted
everywhere.
...
environment pollution
environment pollution
environment pollution
environment pollution
environment pollution
environment pollution
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  1. 1. Content  Definition of pollution  Types of pollution  Air pollution a) Introduction b) Cause c) Effects d) Prevention  Water pollution a) Introduction b) Cause c) Effects d) Prevention
  2. 2. Content cont……….  Land pollution a) Introduction b) Cause c) Effects d) Prevention  Noise pollution a) Introduction b) Cause c) Effects d) Prevention
  3. 3. Definition of pollution  Pollution is the introduction of contaminants into a natural environment that causes instability,disorder,harm or discomfort to the ecosystem .  Pollution can take the form of chemical substances or energy such as noise, heat or light.
  4. 4. What is air pollution Air pollution is the introduction of chemicals, particulate matter, or biological materials that cause harm or discomfort to humans or other living organisms, or damages the natural environment into the atmosphere. The atmosphere is a complex dynamic natural gaseous system that is essential to support life on planet Earth. Stratospheric ozone depletion due to air pollution has long been recognized as a threat to human health as well as to the Earth's ecosystems.
  5. 5. CAUSES OF AIR POLLUTION  - Industries.  -Automobiles and Domestic fuels  -High Proportion of undesirable gases,such as sulphur dioxide and carbon monoxide
  6. 6. EFFECT OF AIR POLLUTION Air Pollution affects???  Human health  Animals  Plants  The atmosphere as a whole
  7. 7. How to prevent air pollution  Carpool  Walk or ride a bicycle  Connect your outdoor lights to a timer or use solar lighting.  Wash clothes with warm or cold water instead of hot.  Plant trees etc…….
  8. 8. Water pollution
  9. 9. What is water pollution Water pollution is the contamination of water bodies. E.g. lakes, rivers, oceans, groundwater. Water pollution affects plants and organisms living in these bodies of water; and, in almost all cases the effect is damaging either to individual species and populations, but also to the natural biological communities. Water pollution occurs when pollutants are discharged directly or indirectly into water bodies without adequate treatment to remove harmful compounds.
  10. 10. Causes of Water Pollution  About 40% of Deaths worldwide are caused by Water Pollution.  Water Pollution is Caused by organsic and inorganic industrial wastes and affluents discharged into rivers.
  11. 11. Effects of Water Pollution  Diseases like Cholera  Malaria  Typhoid (spread during the rainy season )  Aquatic life gets destroyed
  12. 12. How to prevent water pollution  Rivers should not be used for washing clothes or bathing animals in.  Dams should be created.  In sacred rivers like Ganga dead bodies shouldn’t be thrown.
  13. 13. NOISE POLLUTION Noise pollution is displeasing human, animal or machine-created sound that disrupts the activity or balance of human or animal life. The word noise comes from the Latin word nausea meaning seasickness. The source of most outdoor noise worldwide is transportation systems, including motor vehicle noise, aircraft noise and rail noise. Poor urban planning may give rise to noise pollution, since side-by-side industrial and residential buildings can result in noise pollution in the residential area.
  14. 14. Causes of Noise Pollution  Traffic Noise  Air craft Noise  Noise from construction and civil engineering works.  Noise from the Industries.  Noise from other sources.
  15. 15. Effects of Noise Pollution  Hearing Loss  High Blood Pressure  Stress  Sleep Disturbance  Color Blindness
  16. 16. How to prevent noise pollution  The government should ensure the new machines are noise proof.  Airports should be away from residential areas.  ‘No horn’ boards should be put on/near school areas.  We should talk less and work more.
  17. 17. LAND POLLUTION Land pollution is the degradation of Earth's land surfaces often caused by human activities and their misuse of land resources. It occurs when waste is not disposed properly. Health hazard disposal of urban and industrial wastes, exploitation of minerals, and improper use of soil by inadequate agricultural practices are a few factors. Urbanization and industrialization are major causes of land pollution.
  18. 18. Causes of Land Pollution  Throwing garbage  Construction  Waste  Industrial waste  Mining
  19. 19. Effects of Land Pollution  Agriculture  Littering  Climate  Biodiversity
  20. 20. How to prevent land pollution  More and more land should be brought under farming.  Trees should be planted everywhere.  Waste matter should be disposed immediately  Avoid drilling lands for underground water.  Avoid using fertilizer and pesticides for farming.
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