The Earth and Space

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!

15 images of various instruments such as rain gauges, wind vanes and weather satellites used to inform us about the weather

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

11 images that illustrate some daily weather conditions such as cold, hot and windy

Products of the rock cycle are visible all across Canada.

How will arctic ice melt from climate change affect exploration, scientific research and geopolitics?

The water in the oceans has travelled vast distances. It has even time spent deep below the surface of the Earth, trapped inside the mineral ringwoodite.

The ocean is full of very small but very useful creatures called microbes. Without them, none of the sea plants or animals you’ve seen would exist!

Sodium is a useful chemical element. You consume it as table salt regularly. Learn about salt mining, sodium uses, and what problems too much sodium can cause.

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

This backgrounder explains the four main ways that oil is moved over land and water.

Learn about how craters are formed and about some of Canada's impact craters.

When a species ends up outside of its natural zone, the consequences on other species, ecosystems and human industries can be severe. Climate change and human activities can introduce species into new zones.

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