This is presentation which can be very helpful for students in their studies.

2. M.HAMZA saghir
M.QASIM Gujjar

3. POLLUTION

4. “The presence in or introduction into the
environment of a substance which has
harmful or poisonous effects.”

5. Types of pollution are:
1.Air Pollution.
2.Water Pollution.
3.Noise Pollution.
4.Land Pollution.

6.  Air pollution is the human introduction into the
atmosphere of chemicals , particulate matter , or
biological materials that cause harm or discomfort to
humans or other living organisms, or damage the
environment.
 Examples of air pollution :
• Smog
• Acid rain
• Indoor air pollution
• Dust particles

7.  Smoke from chimneys of factories.
 Smoke from Vehicles.
 Smoke from burning of fire.

8.  We should share vehicles for going to office.
 We should get a regular pollution check of our
vehicle.
 We should use a bicycle for going to near by
places.
 Chimneys of factories should be fitted with
proper filters to prevent smokes from coming
out and effect atmosphere.

9.  Water pollution is the introduction into fresh or
ocean waters of chemical, physical, or
biological material that degrades the quality of
the water and affects the organisms living in it.
 Examples of Water pollution :
• Industrial affluents.
• Mining and Agricultural Wastes.
• Sewage Disposal and Domestic Wastes.

10.  Factories throw their waste in water bodies.
 People bath and wash clothes in water bodies.
 Some oil ships drown in water which hardly
effects the aquatic life.
 Smoke from vehicles lets the river to dry.

11.  Factories should not throw there waste in
water bodies.
 People should not bath and wash clothes in
rivers or lakes.
 People should not take there animals to take
bath in rivers or lakes.

12.  Noise pollution is unwanted human-created sound
that disrupts the environment . The dominant form of
noise pollution is from transportation sources,
principally motor vehicles, referred to as
environmental noise.
 Examples of Noise Pollution:
• Loudspeakers
• Aircrafts

13.  Jet planes
 Loud speakers and other loud speaking things
 Cinema halls
 Factories
 Road traffic

14.  We should not use loud speakers.
 Factories should be made out of the city.
 There should be not more noise making
vehicles on the roads.

15.  Land pollution is the degradation of the Earth's land
surface through misuse of the soil by poor agricultural
practices, mineral exploitation, industrial waste
dumping, and indiscriminate disposal of urban wastes.
 Examples of Land pollution :
• Soil Pollution
• Waste Disposal

16.  People cut forest for furniture.
 Plastic is the main source of land pollution.
 People throw house garbage on roads.
 Some industries throw their waste on land.

17.  People should not cut trees for making furniture.
 People should not throw garbage on land.
 Plastic bags should be avoided for prevention of
land pollution.
 Industries should not throw there waste on land.