![How does rain become acidic?](/sites/default/files/2019-08/how-does-rain-become-acidic.jpg)
How does rain become acidic?
Hands-on Activities
Learn how to make a pH indicator and test water samples.
![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.
![Energy-saving light bulbs are a great way to save money at home](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/one-hanging-energy-saving-light-bulb.jpg?itok=IocGQakA)
Energy Efficiency at Home
STEM Explained
If you understand heat transfer, you can make lots of little changes at home to help the environment and your household’s bank account!
![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
![Reporting The Weather Reporting The Weather](/sites/default/files/styles/resource_card_image_360x300_/public/Meteorologist-Reporting-Weather.jpg?itok=dOl3KpeK)
Careers: Meteorologist
Picture Collections
4 images of some work that a meteorologist might do such as forecasting the weather and analyzing clouds
![Ryan Snoddon | Meteorologist and Host (CBC-NL) Ryan Snoddon | Météorologue et animateur (CBC-NL)](/sites/default/files/styles/career_image/public/6308_13.jpg?itok=7JHXXezD)
Ryan Snoddon
Career Profiles
Meteorologist and Host
![Adam Melnick | Apprenticeship Coordinator and Health and Safety Instructor, Heat and Frost Insulator Training Centre Adam Melnick | Coordinateur de l'apprentissage et instructeur en santé et sécurité pour un centre de formation en calorifugation](/sites/default/files/styles/career_image/public/4777_15.jpg?itok=Ye-A392P)
Adam Melnick
Career Profiles
Apprenticeship Coordinator and Health and Safety Instructor
![Brian Camenzuli | VP of Design & Engineering at KARIBU Solar Power Brian Camenzuli | Vice-président, conception et études techniques, KARIBU Solar Power](/sites/default/files/styles/career_image/public/4369_13.jpg?itok=X8Ape7dx)
Brian Camenzuli
Career Profiles
VP of Design & Engineering