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Big Idea: Changing ecosystems are maintained by natural processes.

Hands holding soil and a small plant

The Dirt on Soil Conservation

STEM Explained

If I asked you to name a few things that all life on the planet couldn’t live without you could probably come up with some good answers, but I bet you’d never think to say dirt.

Julie Koloff au travail à l'extérieur

Julie Koloff

Career Profiles

Wetland Specialist

Julie Koloff is a Wetland Specialist for Jacobs, located in Alberta.
Mussels on a rocky coastline

Using Mussels to Monitor the Environment

STEM Explained

Mussels are a kind of invertebrate that filter food out of the water they live in. This makes them a great tool for monitoring environmental water quality and tracking bioaccumulation in aquatic food webs.

Dense tropical rainforest

Tropical Rainforest Biome

Backgrounders

Learn about the location, plants, animals, human impacts and conservation of tropical rainforest biome.

African savanna

Savanna Biome

Backgrounders

Learn about the location, plants, animals, human impacts and conservation of the savanna biome.

Monument Valley, Arizona

Desert Biome

Backgrounders

Learn about the location, plants, animals, human impacts and conservation of the desert biome.

Wild elk in boreal forest, Banff National Park

Boreal Forest/Taiga Biome

Backgrounders

Learn about the location, plants, animals, human impacts and conservation of the boreal forest/Taiga biome and meet Anne-Claude Pépin who is a fire management technician.

Carly Silver | Écologiste associée

Carly Silver

Career Profiles

Associate Ecologist

Carly Silver is an Associate Ecologist for Stantec Consulting Ltd.
Solar panel project in Dakar, Senegal

What are Carbon Offsets?

STEM Explained

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

Hamilton, Ontario industrial area with Toronto skyline in the background

What are Greenhouse Gases?

Backgrounders

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

Biofuel concept

What are the Pros and Cons of Ethanol Biofuel?

STEM Explained

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

Great tits eat from a bird feeder

Natural Selection in Your Backyard

STEM Explained

A study on bird feeders and beak sizes shows how an everyday human activity can affect the evolution of another species.

How does water move up a plant?

How does water move up a plant?

Hands-on Activities

Do an experiment with celery to learn about the structures that help plants take up water.

How do I construct a terrarium?

How do I construct a terrarium?

Hands-on Activities

You can make your own terrarium for growing plants!

 A forest damaged by pine beetles

How Do Introduced Species Affect Ecosystems and the Economy?

STEM Explained

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.