Topic Pages

Our topic pages introduce the reader to important and emerging environmental public health issues through a curated list of NCCEH and external resources. The most relevant resources have been selected to best guide the search for further information. Topic pages are reviewed and updated with new content periodically. These lists are not intended to be exhaustive, and the omission of any individual resource does not preclude it from having value.
Sea level rise can cause a range of physical impacts on the built environment, with potential damage, loss, or change to coastal ports, critical infrastructure, private dwellings, transport routes,…
Mosquitoes are vectors of numerous diseases worldwide. However, only certain species of mosquito can carry diseases, and even fewer of these species can survive Canada’s harsh winters. Of Canada’s…
Legionella is naturally occurring waterborne bacteria that can survive within building water systems and multiply under ideal conditions that include warm temperature (e.g., 25-45°C), lack of…
Climate change is increasing the frequency, duration, and intensity of the number of very hot days over 30°C in Canada. During heatwaves, the daytime and night-time average temperatures are projected…
Marine shellfish poisoning refers to illnesses caused by eating marine bivalve shellfish (e.g., clams, mussels, oysters, scallops, cockles) that contain biotoxins, which shellfish can accumulate when…
The transmission of SARS-CoV-2, the virus that causes COVID-19, occurs primarily via direct contact with or respiratory droplets from an infected person. However, there is evidence to suggest that…
The frequency and intensity of Canadian wildfires is increasing due to the changing global climate, as well as long-standing forest management practices. Ever-worsening fire seasons impact…
(Last updated: June 2021)
The COVID-19 pandemic impacted major cities around the world, leading to businesses and public facilities closures and stay-at-home orders. Public transit ridership…
The goal of any public health emergency is to help as many people as quickly as possible. The COVID-19 pandemic has brought a new dimension to emergency management. Not only has COVID-19 made it…
A health impact assessment (HIA) is a process that strategically evaluates the potential effect on health of a policy, plan or project. The assessment generally takes place in a series of steps, each…