Pollution review

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Pollution review

  1. 1. Pollution Review
  2. 2. What is pollution?  It is the introduction of harmful materials into the environment  There are different types of pollution: air, water, land  Things that cause pollution is called pollutants
  3. 3. Land Pollution  Trash can be land pollution  Some trash breaks down on it own (like a banana peel)  Those that don’t fill up landfills  Landfills take away habitats of wildlife  Litter is a type of land pollution  Chemicals that leak into the soil cause land pollution --- this can damage the soil which affects plant growth
  4. 4. Air Pollution  Pollutants in the air  Can cause  Holes in the ozone  Increased particles in the air  Acid Rain (gases from power plants mixed with rain)  SMOG (smoke + fog)  Global Warming (increased temperature of Earth)  Some of it is natural like dust and pollen  Some is man-made like the burning of fossil fuels (coal, oil and natural gas)
  5. 5. Water Pollution  Pollutants can come from runoff from sewage, agriculture (fertilizers etc) and from industries  It lowers the quality of the water for drinking and for the living organisms (like the fish)  Industries sometimes dump heavy metals like mercury and lead into the water.  This causes the fish to be sick and contaminated which can be passed along to us when we eat them
  6. 6. Questions?  What is the name of the government agency that makes laws that put restrictions on the environment?  What did this agency outlaw that can be harmful to us and pests?
  7. 7. Answers  The name of the government agency is called the Environmental Protection Agency (EPA)  They made a law banning DDT which was used in pesticides.
  8. 8. Application  Discuss how you can reduce all types of pollution?

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