This ChemMatters article provides a brief background on smog, then examines the causes of it, efforts to reduce it, and methods used to measure it. ChemMatters is an educational magazine for high school students.

In the game, "Ozone Trap-n-Zap," players must balance ozone within designated layers of Earth's atmosphere. Background information on ozone is provided through an embedded link to an article entitled, "Life in a greenhouse? How ghastly!" Additional... (View More) information on why ozone is considered good or bad in each layer is included. The article and game are targeted to children ages 10-12. (View Less)