Air, Noise and Light Pollution

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Air, Noise and Light Pollution

• 3/08

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Air pollution

• Effects very young and very old most
• Cause of death never air pollution
• Adds to effects of existing diseases such as
  emphysema , heart disease and lung cancer

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Short term effects

• Usually reversible
• Cough, irritation of eyes nose
• Make asthma and emphysema worse

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Long term effects air pollution

• Heart disease, emphysema
• Occurrence of asthma due to lung damage in young
  children

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Indoor air pollution

• Indoor air pollution can be worse than outdoors
• Especially when we seal up our homes to save
  energy

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Indoor

• Sick Building Syndrome

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Asbestos

• Mineral used in the past for insulation and as a
  fire retardant
• Banned in 1970
• Cuts and scars lungs

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Noise Pollution

• Unwanted sound
• Hearing loss has doubled in the US in the last 30
  years

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• 12 of teens have permanent hearing loss.
• Personal listening devices not regulated in US
• 85 dB for 8 hours maximum safe level

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Underwater Noise Pollution

• Whales and Dolphins very sensitive to sounds over
  long distances
• Ships, military sonar, oil exploration , boats
  and jet skis all disturb communication

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Light Pollution

• No direct hazard to human health. May be tied to
  sleep disorders and early puberty
• Energy waste light into space
• Avian migration