What is noise pollution?

1
What is noise pollution?

• Brandon and Louis
• Per.2

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.

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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.

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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.

5
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.

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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)

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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.

8
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

9
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 dont
  start taking charge of whats going around, many
  people can be affected.

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THE END
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Reference

• 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/LEVEYK2/effe
  cts.html
• http//www.abelard.org/hear/hear.htmhow-loud
• http//greenpack.rec.org/noise/index.shtml
• Bugliarello, G., Alexandre, A., Barnes, J.,
  Wakstein, C. (1976). The Impact of Noise
  Pollution A Socio-Technological Introduction.
  New York Pergamon Press.