| Health care | Gives money to provinces and sets national rules (the Canada Health Act); helps pay for some health services for First Nations and Inuit | Runs hospitals and pays doctors through OHIP | Local public health units run things like vaccine clinics and restaurant inspections |
| Environment | Laws about oceans, fish, migrating birds and harmful chemicals; national parks | Rules for forests, mines and factory pollution; provincial parks | Drinking water, sewage, garbage, recycling, green bins, planting trees |
| Transportation | Airports, railways and shipping rules | Highways, driver's licences | Local roads, sidewalks, buses and transit |
| Emergencies (floods, fires, storms) | Can send the Canadian Armed Forces when a province asks; helps pay to rebuild | Emergency planning; can declare an emergency and send help | First to respond: firefighters, police, paramedics, emergency shelters |
| Immigration | Decides who can immigrate to Canada | Has its own program to nominate some newcomers whose skills it needs | Libraries, community centres and local agencies help newcomers settle |