Air pollution - PowerPoint PPT Presentation

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Air pollution

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Air pollution When there are harmful substances in the air Particles or gases Can occur naturally or from human activity Air pollution Natural sources: Salt spray ... – PowerPoint PPT presentation

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Tags: air | health | human | pollution

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Title: Air pollution


1
Air pollution
  • When there are harmful substances in the air
  • Particles or gases
  • Can occur naturally or from human activity

2
Air pollution
  • Natural sources
  • Salt spray
  • Mold and pollen
  • Ash from forest fires
  • Soil erosion
  • Dust storms
  • Volcanoes

3
Air pollution
  • Artificial sources
  • Factories
  • Farming
  • Construction
  • Power plants
  • Vehicles
  • Aerosol cans

4
Air pollution
  • Health Consequences
  • Allergies
  • Coughs
  • Lung/heart disease
  • Headaches
  • Irritated eyes, nose, throat

5
Air pollution
  • Environmental Consequences
  • Smog
  • Brown haze formed from interaction of pollutants
    and sun
  • Acid Rain
  • Formed when pollutants mix with water in air
  • Can damage plants, lakes, buildings

6
Effects of Acid Rain
7
Air pollution
  • Solutions
  • Reduce pollutants produced by humans
  • Governments pass laws requiring special devices
    which reduce pollution
  • Expensive but necessary
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