After reading an article about how the spread of HIV/AIDS was first tracked, students act as epidemiologists to map its spread round the world. The lesson plan materials and a set of PowerPoint slides can be downloaded.

PBS and the Online NewsHour have created this multimedia website about water recycling. You can see how this process is different than other waste water treatments by reading interviews, watching a slideshow or investigating a map of...

A variety of activities to show students how population size relates to how land is used in the Lake Pontchartrain Basin. Activities provide opportunities for students to interpret graphs, read maps, research problems, defend a side, and...