![Boat on a lake at sunset](/sites/default/files/styles/resource_card_image_360x300_/public/2021-01/boat-docked-on-lake-at-sunset.jpg?itok=1QlQiekK)
Humans and Freshwater Ecosystems
Backgrounders
Learn about how people impact the ecosystems of lakes and rivers.
![Some examples of biomass](/sites/default/files/styles/resource_card_image_360x300_/public/2021-01/biomass_icon.png?itok=6lz_OKwA)
Generating Electricity: Biomass
Backgrounders
Learn how biomass can be used to generate electricity.
![Coal and natural gas fueled generator near Hanna, Alberta, Canada](/sites/default/files/styles/resource_card_image_360x300_/public/2020-12/coal_power-generating-station.jpg?itok=cFUVGxpm)
Generating Electricity: Fossil Fuels
Backgrounders
Learn how energy from fossil fuels can be used to generate electricity.
![Jeremy McNeil, docteur en entomologie](/sites/default/files/styles/career_image/public/2020-12/Jeremy%20McNeil.jpg?itok=BmoATK9Y)
Dr. Jeremy McNeil
Career Profiles
Professor
![Timothy Burkhart](/sites/default/files/styles/resource_card_image_360x300_/public/2020-11/Timothy_Burkhart.jpg?itok=_rID7Ano)
Query a Career Profile
Lessons
Students will explore career profiles and relate them to what they are learning in science class.
![Skyglow from a city and highway](/sites/default/files/styles/resource_card_image_360x300_/public/2020-06/night_sky_and_highway.jpg?itok=5QVvQWHE)
Light Pollution
STEM Explained
Light can be a type of pollution. Learn about the damage it causes to people and living things as well as how you can prevent it.
![Bee on flower covered in pollen](/sites/default/files/styles/resource_card_image_360x300_/public/2020-06/pollen-covered_bee_on_flower.jpg?itok=sdTi3kzW)
Pollinators are Important!
STEM Explained
Insects and other animals that are pollinators of plants play an important role in ecosystems.
![Hands holding soil and a small plant](/sites/default/files/styles/resource_card_image_360x300_/public/2020-05/hand_holding_soil.jpg?itok=xzFFVzDb)
The Dirt on Soil Conservation
STEM Explained
If I asked you to name a few things that all life on the planet couldn’t live without you could probably come up with some good answers, but I bet you’d never think to say dirt.
![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
![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.
![Dense tropical rainforest](/sites/default/files/styles/resource_card_image_360x300_/public/2020-02/tropical-dense-cloud-forest-coverd-in-fog.jpg?itok=hZ-ak9O8)
Tropical Rainforest Biome
Backgrounders
Learn about the location, plants, animals, human impacts and conservation of tropical rainforest biome.
Krista Pooley
Environmental Assessment Coordinator
![Students collaborating](/sites/default/files/styles/resource_card_image_360x300_/public/2019-11/Read-view-listen.jpg?itok=XbNhWBtN)
Introduction to the Fish Market Survey
Lessons
In this introductory activity, students will read two articles about the issue of fish mislabelling and complete two graphic organizers to identify the issue, its implications and possible solutions. They will complete the organizers individually and in pairs, and then discuss the results with the whole class.
![Carly Silver | Écologiste associée](/sites/default/files/styles/career_image/public/2019-09/Carly%20Silver.jpg?itok=DpeTJqH5)
Carly Silver
Career Profiles
Associate Ecologist
![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?