Some scientists argue that air pollution now causes more deaths than smoking. The second unit in a six-part series focuses on air quality. Scholars learn what's in the air, how clean the air around their school is, and what they can do...

Can a sidewalk increase the amount of pollution in local streams? Scholars learn the answer to this question though research and experimentation in the fifth unit in the six-part series. Pupils study runoff, impervious surfaces, and the...

Many people know about chemical pollution, but are all chemicals bad? The third unit in a series of six addresses chemicals common in everyday life. Scholars learn about the chemicals found in their own homes, chemical safety, and...

How important is water quality where you live? The first module in a six-unit series includes four lessons on water quality. By applying the concept directly to the lives of pupils, they engage in meaningful learning. They read about...

What better way is there to teach about human rights than by seeing them firsthand? Introduce your class or club to the spirit of service through a myriad of service project ideas. First in a series of human rights instructional...

In this media-rich, self-paced lesson, students explore activism - taking action to bring about change - including some causes that activists espouse and the tactics that they use to end harmful practices or reshape policies. The lesson...

Outdoor air pollution poses a major threat to human health and threatens the ozone layer. Students will examine real time weather data in this extensive unit to learn how air quality is measured, its health impact on at-risk populations,...