Sound pollution

1. SOUND
POLLUTION

2. Submitted To ,
Faisal Bin Alam
Assistant professor
BGMEA University of Fashion
& Technology
Submitted By ,
1) Kazi Nishat Mahmud 181-216-801
2) Nazmus Sakib 181-211-801
3) Sharmin Jahan 181-213-801
4) Istahak Mahmud 181-215-801
5) Shahinul Islam 181-306-801
6) Saleheen Amin Peyas 181-218-801

3. • Sound that is unwanted or that disrupts the activity or
balance of human or animal life is called as noise.
• When there is lot of noise in the environment, then it is
termed as noise pollution..
What is Noise Pollution ?

4. • Normal sound becomes undesirable when it disturbs our normal
activities such as working, sleeping and during conversation, it
becomes sound pollution.
• World Health Organization stated that “Noise must be recognized as
a major threat to human well-being”.
Environmental noise pollution
Source: https://www.who.int/sustainable-development/

5. These are the main sources of noise pollution
 Household sources.
 Social events.
 Commercial & industrial activities.
 Transportation.
Sources of Noise Pollution

6. • Gadgets like food mixer, grinder, vacuum
cleaner, washing machine and dryer, cooler, air
conditioners, can be very noisy and injurious to
health.
• Others include loud speakers of sound systems
and TVs, iPod etc.
• Another example may be your neighbor's dog
barking all night everyday at every shadow it
sees, disturbing everyone else in the apartment.
Household Sources

7. Social Events

8. Commercial &
Industrial Activities

9. • Printing presses, manufacturing industries, construction sites
contribute the noise pollutions in large cities.
• In many industries it is a requirement that people always wear
earplugs to minimize their exposure to heavy noise.
• People who work with noisy equipment's are required to wear noise-
proof gadgets..
Commercial & Industrial Activities

11. • Airplanes flying over houses
close to busy airports.
• Over ground and under ground
trains, vehicles on roads, these
are constantly making a lot of
noise.
Transportation

12. • Noise pollution has become a significant problem in
Bangladesh, especially in all the divisional headquarters where
sound levels are far beyond the acceptable sound level for the
human ear, according to a recent study by the department of
environment (doe).
• In Dhaka, the average sound level is 80-110db in prime areas
such as Farmgate, Karwan Bazar, Shahbagh, Gabtoli and
Mohakhali bus terminal, says the study report. This is almost
twice the maximum noise level that can be tolerated by humans
– 60db – without suffering a gradual loss of hearing, according
to the world health organization (WHO).
Sound pollution in
DHAKA

13. Source: Dhaka Tribune

14. Sound Pollution in
DHAKA
According to the WHO,
• Around 5% of the world population is facing several
kinds of health hazards due to noise pollution.
• Around 11.7% of the population in Bangladesh have
lost their hearing due to noise pollution.
• In order to check noise pollution, the government has
introduced Bangladesh Sound Pollution (Control)
Rules, 2006. According to the guidelines, exceeding
the maximum noise level in a certain area is a
punishable offence.
Source : Department of Environment

15. Sound level

16. Effects
On human health
On environment
On animals

17. • Noise pollution is the reason for cause of
nervous disorder, headache, high blood
pressure and short memory.
• Depression and fatigue, which considerably
reduces the efficiency of a person.
• Frustration and difficulty in concentration,
• Noise may cause noise-induced hearing loss.
Effects
On Humans
Annoyi
ng

19. Deafness
Stress

20. Effect On
UNBORN BABIES
After the age of 27 to 30 weeks a fetus ears
formed fully. Unexpected loud sounds now
become a potential stimulus for a fetus and
may result in an automatic startle reflex.
It Causes :
 Display abnormal mental behavior
 Develop slow learning skills
 Have higher levels of cortisol during
weaning

21. • Noise pollution damages the nervous system
of animal.
• Increase of death of animals
• Animal looses the control of it’s mind.
• Creates problems in their use of sounds in
reproduction and navigation.
• They becomes dangerous and attacking.
EffectsOn animals

22. • Noise pollution from ship engines and
sonar systems make it difficult for
marine mammals like whales &
dolphins, & prevent it from
communicating, finding food, and
avoiding hazards. Excessive noise has
the ability to raise an animal’s heartbeat
speed and even harms an animal’s
metabolism.
EffectsOn animals

24. • Noise also has detrimental effects on the growth of
some plants.
• Birds can’t find their way to home
• Noise pollution causes poor quality of crops in
pleasant atmosphere
Effects
On Environment

25. Prevention of Noise Pollution
1
Reduce
using
horn
2
Use ear
bud in
noisy
place
3
Regular
maintena
nce
should be
carried
4
Stop
Engine
when
you are
not using
5
Need to
reduce
announce
ment
through
mike

26. Role of Us against Sound pollution
i) Awareness event with transport labor association
ii) Public awareness event to reduce sound pollution

27. THANKS FOR YOUR PATIENCE