![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.
![Canaries were once used to signal dangers to miners. - Image © Vito Cangiulli, iStockPhoto.com](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/Canaries%20were%20once%20used%20to%20signal%20dangers%20to%20miners.jpg?itok=mc-wHhjT)
How Can Birds Help Monitor the Health of Ecosystems?
STEM Explained
Scientists can observe birds to get useful information about the health of, and changes in, an ecosystem.
![Woman having a panic attack](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/woman-having-panic-disorder-in-city.jpg?itok=5lAyF1iB)
Chemical Equilibrium and Panic Attacks
STEM Explained
Panic attacks are scary and they upset your body’s chemical equilibrium. Learn what happens to acids & bases in your circulatory system during a panic attack.
![Gentilly-2 nuclear reactor](/sites/default/files/styles/resource_card_image_360x300_/public/2019-10/Gentilly-2.jpg?itok=wSCI9iF8)
Cleaning Up Nuclear Waste After Decommissioning
STEM Explained
When a nuclear reactor is no longer in use, the radioactivity in its materials remains. That’s why it’s important to safely deal with the radioactive waste those plants leave behind.
![Birds flying near a wind farm](/sites/default/files/styles/resource_card_image_360x300_/public/2019-10/Birds_flying_near_a_wind_farm.jpg?itok=q2nkSzDU)
Are wind farms a threat to wildlife?
STEM Explained
Wind power is a growing source of electricity generation. But wind projects often affect local wildlife populations, and researchers are using environmental monitoring techniques to alleviate some of these impacts.
![Opening can of pop](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/Opening_can_soda_pop.png?itok=zJDIkoIl)
The Chemistry of Pop
STEM Explained
There’s a lot of cool chemistry in a can of pop! Learn how solubility, chemical equilibrium, acids & bases and gas laws work in some of your favourite drinks.
![Katharine Scotton | Environmental Consultant, PGL Environmental Consultants Katharine Scotton | Experte-conseil en environnement, PGL Environmental Consultants](/sites/default/files/styles/career_image/public/6027_13.jpg?itok=QOKoX2Pf)
Katharine Scotton
Career Profiles
Environmental Consultant
![Meredith Ann Epp | Communications and Marketing Manager, Marine Stewardship Council Oceania Meredith Ann Epp | Gestionnaire des communications et du marketing](/sites/default/files/styles/career_image/public/5880_13.jpg?itok=Xrl3oIql)
Meredith Ann Epp
Career Profiles
Communications and Marketing Manager
![Angela McIsaac | Environmental Engineer Angela Mcisaac | Ingénieure en environnement, 3M Canada](/sites/default/files/styles/career_image/public/5388_13.jpg?itok=KKQYZ4HS)
Angela McIsaac
Career Profiles
Environmental Engineer
![Heather Orr | Tailings Dam Project Manager Heather Orr | Gestionnaire de projet, digue à stériles](/sites/default/files/styles/career_image/public/4913_13.jpg?itok=y0T_4tbl)
Heather Orr
Career Profiles
Project Manager
![Emily Jobson | Environmental Specialist Emily Jobson | Spécialiste de l’environnement](/sites/default/files/styles/career_image/public/4607_13.jpg?itok=eaWXYTXC)
Emily Jobson
Career Profiles
Environmental Specialist