Lesson 27:

  The importance of clean air



In this lesson, you will:

  • learn about air quality and pollutants
  • learn why air pollution is a problem
  • learn about the Air Quality Agreement between Canada and the United States


Smog from traffic
Courtesy of Eugen Visan, Pixabay

Key Terms for this lesson:

  • carbon monoxide
  • ozone
  • particulate matter
  • nitrogen oxide
  • lead
  • sulphur dioxide
  • transboundary air pollution
  • acid rain