Strand B: Sustainable Ecosystems and Climate Change

How do the green leaves of summer change to vibrant colours in fall? Explore plant pigments in this chromatography activity.

Explore how walking on soil changes how water soaks into the ground and why that matters to gardeners and farmers.

Oceans absorb the greatest amount of solar radiation on Earth. Ocean warming can lead to glaciers melting and ocean acidification.

Explore the greenhouse effect and learn about the impacts it can have on the environment.

Can carbon offsets help you reduce your environmental footprint, practice sustainable living and fight climate change?

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 chemical reaction that happens between acid rain and limestone.

Biofuels like ethanol might help fight climate change. But they can contribute to food insecurity and greenhouse gases in ways that might surprise you.

The fracking process gets natural gases out of rocks. This process can have effects on freshwater, water quality and even earthquakes!

What is the nitrogen cycle? How do human activities such as using fertilizer affect the nitrogen cycle? How can this cause greenhouse gases?

14 images of some plants such as carrots, cabbage and leeks whose roots, stems or leaves are used for food

What are microplastics? How are plastics polluting aquatic ecosystems?

Learn about two taxonomy systems that scientists use to classify the life around us.

Cloning makes it possible to bring extinct species back to life. But is that a good idea?