![Cars driving through thick smog](/sites/default/files/styles/resource_card_image_360x300_/public/2019-12/cars_driving_through_smog.jpg?itok=oUpI0xvE)
How Vehicles Pollute the Air
Backgrounders
Learn how vehicles affect air quality, including their contribution to smog.
Élyse Caron-Beaudoin
Career Profiles
Teaching Assistant in Environmental Health
![Image of a river running through a Boreal forest](/sites/default/files/styles/resource_card_image_360x300_/public/2020-12/white-water-rafting-on-the-fraser-river.jpg?itok=ou_sM1-M)
Resources on the Environment
STEM Explained
Resource page including articles and career profiles related to the environment.
![Tara Boyd au bureau en patins à roulettes.](/sites/default/files/styles/career_image/public/2021-01/Tara%20Boyd2.jpg?itok=E081-sJ6)
Tara Boyd
Director, Operations & Administration
![Ian Cook](/sites/default/files/styles/career_image/public/2021-01/Ian%20Cook.jpg?itok=L8Z4nvIF)
Ian Cook
Journeyman Sheet Metal Worker
![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
![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.
![Students looking bored in class](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/Students_looking_bored_in_class.jpg?itok=Wr5c_zOj)
Is There Too Much Carbon Dioxide in Your Classroom?
STEM Explained
Did you know that too much carbon dioxide in the classroom can affect your body, and even your grades?
![Green walls in Harvard University](/sites/default/files/styles/resource_card_image_360x300_/public/2020-05/Green_wall_Harvard_University.jpg?itok=_ivWsw8S)
Green Walls
STEM Explained
Green walls use plant processes to improve air quality in buildings.