Students study the importance of the world's rain forests. In this rain forest lesson plan, students read about the role of the rain forests in the world's environment. Students then write a formal letter to a member of Congress or...

Where does the water we use come from? To understand the concept of a watershed, class members study the water cycle and then engage in an activity that simulates a watershed.

We are very dependent upon other life forms around us to survive. Here, scholars explore relationships in the ecosystem with the help of Auntie Litter and the pollution patrol. They imagine a world without grass, making connections to...