Most things in your environment—the air you breathe, the foods you eat, the things you touch—can affect your health in beneficial or harmful ways. Some environmental health hazards are obvious, but others may be less apparent. How can you learn about the potential health hazards in your environment, and what actions can you take to best protect your health?

In this lesson, you will use interactive activities and videos to review some basic topics in environmental public health. You will also answer questions and take notes throughout the lesson. Be sure to record your answers in the space provided and click "Save." You will end the lesson by conducting research on a topic of particular interest to you.