Strand C: Human Health and the environment

Learn about how catalytic converters make vehicle emissions less harmful.

This backgrounder explains what greenhouse gases are and how they contribute to climate change.

Water is a precious natural resource. What happens if it gets polluted? Learn how water can be cleaned with this hands-on activity?

Learn about the different types of radiation, how they interact with atoms and how they can affect you.

Did you know that too much carbon dioxide in the classroom can affect your body, and even your grades?

Green walls use plant processes to improve air quality in buildings.