Information about the insecticide DDT, a toxic chemical that was used widely in World War II and later, and is still used in some countries today. It has had far-reaching effects on the environment, as it is carried long distances by air...

Discover why plants are extremely important to humans. Resource provides an explanation of the important things they provide.

This lesson plan is designed to teach young children identify the types of pollution, the sources of the pollution, and how they can protect the environment from further pollutants.

In a class demonstration, students observe a simple water cycle model to better understand its role in pollutant transport. This activity shows one way in which pollution is affected by the water cycle; it simulates a point source of...