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What is noise pollution?

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What is noise pollution?
What is noise pollution?
Brandon and Louis
Per.2
Outline
Threat of noise pollution.
Causes of noise pollution.
Loud music causes…
How much db can a person take.
How it affects our health.
How to reduce noise pollution.
Summary
THE END.
References.
Threat of noise pollution
• Noise is a disturbance to the human environment
that is escalating at such a high rate that it will
become a major threat to the quality of human lives.
• In the past thirty years, noise in all areas, especially
in urban areas, have been increasing rapidly.
• Too much noise can cause much damage to the
environment.
Causes of noise pollution
-The major sources of noise are:
road traffic, air traffic, rail traffic,
industry and recreational
activities.
-Minor sources of noise can be, an
office, a hairdryer in use, and
indoor conversations.
Loud music causes
-Any kind of loud music
can cause temporary
and permanent
hearing loss.
-Items such as ipods
can cause much
damage to the ear.
-Constant ‘pounding’
music and noise that
goes on for long
periods of time are
common causes of
deafness.
How much db can a person
take?
◊ A person can take approximately up to
70 decibals before they are being
disturbed which can lead to physical and
mental problems.
◊ Air Raid Sirens (140 decibels)
◊ Airplane Taking Off and Thunder (120
decibels)
◊ Garbage Truck (100 decibels)
◊ City Traffic and Truck Driver (90 decibels)
◊ Alarm Clock and Hairdryer (80 decibels)
How it affects our health
• Excessive noise levels can also lead
to the increase of heart rate, blood
pressure, and blood cholesterol.
• It also has potential to harm the
respiratory and digestive systems.
• The loud noise going around affects
people in many ways.
How to reduce noise
pollution
• New engine technologies
• More efficient traffic
management schemes.
• Increasing public
awareness of noise by
providing factual
information
• Introducing noise zones
along traffic routes and
around airports
• Legal specification of
maximum noise emission
from products
Summary

Over the years noise has increased
dramatically. Much noise can cause
serious injuries to the environment. It
affects the health of humans in
several ways. If people don’t start
taking charge of what’s going around,
many people can be affected.
THE END
=Broadbent, D.E. (1979). Human
performance and noise. In C.M. Harris
(Ed.), Handbook of Noise Control (2nd
ed.). New York: McGraw-Hill Book
Company, Chapter 17
=http://academic.scranton.edu/STUDENT/L
EVEYK2/effects.html
=http://www.abelard.org/hear/hear.htm#h
ow-loud
=http://greenpack.rec.org/noise/index.sht
ml
=Bugliarello, G., Alexandre, A., Barnes, J.,
& Wakstein, C. (1976). The Impact of
Noise Pollution: A Socio-Technological
Introduction. New York: Pergamon Press.
Reference
Fly UP