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Noise Pollution - PowerPoint PPT Presentation


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Noise Pollution . Whats the BIG deal about noise pollution? Do you know that noise above 180 decibels can kill ?. Noise pollution is very common in urbanised areas . Average noise levels in most cities are around 65 decibals . Causes of noise pollution. Traffic

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Presentation Transcript
slide2

Whats the BIG deal about noise pollution?

  • Do you know that noise above 180 decibels can kill?
slide3

Noise pollution is very common in urbanised areas. Average noise levels in most cities are around 65 decibals.

causes of noise pollution
Causes of noise pollution
  • Traffic
  • Cars produce a lot of noise when travelling – 60 to 90 decibals
  • MRT entering a tunnel – 90 decibals
  • Aircraft taking off – 120 decibals.
causes of noise pollution1
Causes of noise pollution
  • Construction and other human activities
  • Drilling, piling, knocking…
  • Use of heavy machinery during construction work contribute to noise pollution.
  • Taking loudly is also a form of noise pollution
impact of noise pollution
Impact of noise pollution
  • Damage our hearing
  • Increase our heart rate, anxiety and stress level
  • Poor concentration