![A forest damaged by pine beetles](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/pine-beetle-damage-forest.jpg?itok=rD_omerz)
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.
![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.
![Narwhals, polar bears and other common Arctic animals swim in the Arctic waters. Image © id-work, iStock](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/5755.jpg?itok=CVjIdhgO)
How are Arctic Animals in Canada Affected by Climate Change?
STEM Explained
Arctic animals have evolved to thrive in harsh arctic ecosystems, but the environmental footprint created by climate change is affecting their survival.
![Massive algal bloom](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/massive-algal-bloom.jpg?itok=pqgXB2yc)
Eutrophication: Why you should care about pond scum
STEM Explained
When fertilizers from agriculture get into lakes and rivers, big problems can result for aquatic ecosystems, food chains & webs!
![Measuring Changes To A Glacier Measuring Changes To A Glacier](/sites/default/files/styles/resource_card_image_360x300_/public/Scientists_measuring_the_terminus_of_Grinnell_Glacier_%284428358942%29.jpg?itok=n0YBXgJE)
Careers: Climatologist
Picture Collections
5 images of some work related to the scientific study of climate such as using instruments to measure changes in climates
![Close-up of an amethyst geode](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/geode_close-up.jpg?itok=e0eo8bjg)
What is a Crystal?
STEM Explained
Learn what makes a crystal a crystal.
![Kelsey Privett - Géologue de projet d'exploration, Mine Lac des Iles](/sites/default/files/styles/career_image/public/2019-08/5138_14.jpg?itok=oEMP_f6H)
Kelsey Privett (Video)
Exploration Project Geologist
![Jason Carignan - Technicien de mines](/sites/default/files/styles/career_image/public/2019-08/4962_14.jpg?itok=9eWjBZdC)
Jason Carignan (Video)
Mine Technician
![Cameron McLean - Gestionnaire de l’exploration](/sites/default/files/styles/career_image/public/2019-08/5167_14.jpg?itok=Mojmc07N)
Cameron McLean (Video)
Exploration Manager
![Sandra Sproule | Chartered Professional Accountant at ExxonMobil Canada Sandra Sproule | Comptable professionnelle agréée (CA) chez ExxonMobil Canada](/sites/default/files/styles/career_image/public/6147_13.jpg?itok=pecfnmkz)
Sandra Sproule
Career Profiles
Chartered Professional Accountant
![Sadie Sellars | Technical manager, Hebron project, ExxonMobil Canada Sadie Sellars | Directrice technique, projet Hebron, ExxonMobil Canada](/sites/default/files/styles/career_image/public/6077_13.jpg?itok=GItD35Nw)
Sadie Sellars
Career Profiles
Technical Manager, Hebron Project
![Joel Shank | Geoscientist, Hibernia Management and Development Company Joel Shank | Géoscientifique, Société d’exploitation et de développement d’Hibernia](/sites/default/files/styles/career_image/public/6034_13.jpg?itok=Me2ikQGP)
Joel Shank
Career Profiles
Geoscientist
![Hilary Foulkes | Geologist/Chair | TPH Canada Hilary Foulkes | Geologist/Chair | TPH Canada](/sites/default/files/styles/career_image/public/5179_13.jpg?itok=OOmaBHf7)
Hilary Foulkes
Career Profiles
Geologist/Chair
![Cameron McLean | Exploration Manager Cameron McLean | Gestionnaire de l’exploration](/sites/default/files/styles/career_image/public/5167_13.jpg?itok=sTPioGeW)
Cameron McLean
Career Profiles
Exploration Manager
![Kelsey Privett | Exploration Project Geologist, Lac des Iles Mine Kelsey Privett | Géologue de projet d’exploration, Lac des Iles Mine](/sites/default/files/styles/career_image/public/5138_13.jpg?itok=uO8cO02_)
Kelsey Privett
Career Profiles
Exploration Project Geologist