![Julie Koloff au travail à l'extérieur](/sites/default/files/styles/career_image/public/2020-03/Julie%20Koloff.jpg?itok=qZgc-bIK)
Julie Koloff
Career Profiles
Wetland Specialist
![Diana Chomack](/sites/default/files/styles/career_image/public/2020-03/Diana%20Chomack.png?itok=O8q4UM2T)
Diana Chomack
Environmental Planner
![Mussels on a rocky coastline](/sites/default/files/styles/resource_card_image_360x300_/public/2020-03/mussels-on-rocky-coastline.jpg?itok=4PnEYQCV)
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.
![Photo de Sheila Sadler au travail](/sites/default/files/styles/career_image/public/2020-02/Sheila%20Sadler.jpg?itok=kQFTQRgb)
Sheila Sadler
Sheet Metal Journeyperson
Krista Pooley
Environmental Assessment Coordinator
![Christopher Noble | Responsable des relations et implication des entreprises](/sites/default/files/styles/career_image/public/2019-09/Christopher%20Noble.jpg?itok=eJQ9aLJ5)
Christopher Noble
Corporate Engagement
Chelsey Peutert
Agricultural Environmental Engineer
![Carly Silver | Écologiste associée](/sites/default/files/styles/career_image/public/2019-09/Carly%20Silver.jpg?itok=DpeTJqH5)
Carly Silver
Career Profiles
Associate Ecologist
![Pamela Livingston | Biologiste de terrain](/sites/default/files/styles/career_image/public/2019-09/Pam-pic1.jpg?itok=1BZUMkx8)
Pamela Livingston
Field Biologist
![Platinum crystals](/sites/default/files/styles/resource_card_image_360x300_/public/2020-02/Platinum-crystals.jpg?itok=CIVtGM1E)
Catalytic Converters
STEM Explained
Learn about how catalytic converters make vehicle emissions less harmful.
![Hamilton, Ontario industrial area with Toronto skyline in the background](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/the-hamilton-industrial-area-with-toronto-skyline.jpg?itok=shKtb5Tb)
What are Greenhouse Gases?
Backgrounders
This backgrounder explains what greenhouse gases are and how they contribute to climate change.
![What are the best materials to use for cleaning water?](/sites/default/files/2019-08/what-are-the-best-materials-to-use-for-cleaning-water.jpg)
What are the best materials to use for cleaning water?
Hands-on Activities
Water is a precious natural resource. What happens if it gets polluted? Learn how water can be cleaned with this hands-on activity?
![What are the effects of acid rain on rocks?](/sites/default/files/2019-08/what-are-the-effects-of-acid-rain-on-rocks.jpg)
What are the effects of acid rain on rocks?
Hands-on Activities
Learn about the chemical reaction that happens between acid rain and limestone.
![Aerial of Gas well Marcellus Shale Formation in northern West Virginia](/sites/default/files/styles/resource_card_image_360x300_/public/2020-01/Aerial-of_gas_well.jpg?itok=tjnKvzRe)
What is Fracking?
STEM Explained
The fracking process gets natural gases out of rocks. This process can have effects on freshwater, water quality and even earthquakes!