<p>Please visit The Clean Air Campaign web site at <a href="http://www.cleanaircampaign.com">www.cleanaircampaign.com</a> to download science lesson plans about air pollution, including the full text of this lesson: &quot;Ozone: the Good, the Bad, and the Ugly&quot; with Lab Report forms.</p> <p>Designed for high school Biology or Environmental Science classes, students will learn about the layers of the atmosphere and label a diagram; distinguish between stratospheric ozone, which has beneficial effects and tropospheric or ground-level ozone, which has adverse effects; review maps including one showing the South American ozone hole; design and carry out investigations with ultraviolet detecting beads to show the important role of stratospheric ozone in protecting the Earth; make their own test strips to measure ground-level (tropospheric) ozone levels; simulate the formation of smog in a jar; research sources and causes of smog; identify potential solutions; and create visual displays to use in presenting solutions to the class. </p> <p>This track contains Web resources for the teacher to display to the class in the lesson's introduction, as well as Web sites for students to use in their research. </p>