![bees on frame held by beekeeper](/sites/default/files/styles/resource_card_image_360x300_/public/2019-11/Bees_at_work.jpg?itok=eCBFpn4d)
How are the World's Bee Populations Doing?
STEM Explained
Bees are important for agriculture. But bee populations face threats. This resource looks at Colony Collapse Disorder, herbicides & pesticides, and more.
![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!
![A beaver looks up from the water. Image © Jillian Cooper, iStockPhoto.com](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/A%20beaver%20looks%20up%20from%20the%20water.jpg?itok=KHUwOIhq)
Canadian Invaders!
STEM Explained
Beavers are a Canadian symbol. But in South America, they’re considered an invasive species.
![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.
![Janet Smylie | Family Doctor and Health Researcher Janet Smylie | Médecin de famille et chercheuse](/sites/default/files/styles/career_image/public/4409_13.jpg?itok=Ycb-jBYr)
Janet Smylie
Career Profiles
Family Doctor and Research Scientist
Janet Smylie is a family doctor and research scientist at St. Michael's Hospital.