![Screen capture from the video “Dealing With Asteroids and Other Space Hazards”](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/Asteroids_and_space_hazards.jpg?itok=dCFoyV24)
Dealing with Asteroids and Other Space Hazards
STEM Explained
Find out how asteroids, space debris, and cosmic radiation can be dangerous, and how to monitor them and protect ourselves from these space hazards.
![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
![heavy metal band](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/Heavy_metal_band_0.jpg?itok=-Zc4rYXH)
A Taste of Heavy Metal
STEM Explained
Heavy metal is a term for some toxic chemical elements. They can cause problems like bioaccumulation, but are useful in nuclear medicine and medical imaging.
![Timea Filer - Urban Forestry Field Technologist](/sites/default/files/styles/career_image/public/2019-08/Timea%20Filer_28.jpg?itok=fEY8NK3Q)
Timea Filer (Video)
Career Profiles
Urban Forestry Field Technologist
![Timea Filer | Urban Forestry Field Technician Timea Filer | Technicienne de terrain en foresterie urbaine](/sites/default/files/styles/career_image/public/Timea%20Filer_26.jpg?itok=isJEd7as)
Timea Filer
Career Profiles
Urban Forestry Field Technician, City of Guelph
![Heather Dover | Arborist Heather Dover | Arboricultrice](/sites/default/files/styles/career_image/public/Heather%20Dover_13.jpg?itok=kijAxCZD)
Heather Dover
Career Profiles
Arborist
![Andrew Newman | Mechanical Tree Harvester Andrew Newman | Mechanical Tree Harvester](/sites/default/files/styles/career_image/public/6215_13.jpg?itok=oLEDX3iw)
Andrew Newman (Video)
Career Profiles
Mechanical Tree Harvester
![Lacey Rose - County Forester, County of Renfrew](/sites/default/files/styles/career_image/public/2019-08/6207_14.jpg?itok=GugzDZsy)
Lacey Rose (Video)
County Forester
![Lacey Rose | County Forester, County of Renfrew Lacey Rose | Experte-forestière, comté de Renfrew](/sites/default/files/styles/career_image/public/6207_13.jpg?itok=GSVO7uXO)
Lacey Rose
Career Profiles
County Forester
![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
![Stephanie Good | Senior Fisheries Certification Manager Stephanie Good | Responsable de la certification des pêches](/sites/default/files/styles/career_image/public/5535_13.jpg?itok=NY0RC4f_)
Stephanie Good
Career Profiles
Senior Fisheries Certification Manager
![Lucy Erickson | Science Communications Manager, Marine Stewardship Council/MSC Lucy Erickson | Gestionnaire des communications scientifiques pour le Marine Stewardship Council (MSC)](/sites/default/files/styles/career_image/public/5485_13.jpg?itok=FtnQsyKj)
Lucy Erickson
Career Profiles
Science Communications 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