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. These lists are not intended to be exhaustive, and the omission of any individual resource does not preclude it from having value.
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 definition and regulatory oversight of small drinking water systems (SDWS) across Canada varies by provincial and federal jurisdictions. A small system may be defined by size, or by who owns and…
Climate change is driving an increase in daily extreme precipitation in Canada, which when combined with other landscape factors, such as urbanization, deforestation, and loss of wetlands, can result…
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…
Due to climate change, cities across Canada, including Vancouver, Calgary, Ottawa, Toronto, and Quebec City are predicted to experience over four-times the number of very hot days in 2050 compared…
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…
[Last Updated: Feb 24, 2021]
Legionella bacteria are opportunistic premise plumbing pathogens (OPPP) that can cause illnesses collectively referred to as legionellosis. Legionellosis includes…
The provision of safe drinking water across Canada is a responsibility shared across many agencies. At the federal level, Health Canada sets Drinking Water Guidelines for contaminants in drinking…
Modern artificial turf is used indoors and outdoors in a wide variety of settings, including multipurpose recreational and professional sports fields, playgrounds, residential areas, and public…
Indigenous communities may be disproportionately impacted by a variety of emergencies and disasters, including floods, wildfires, and crude oil spills in their traditional territories. This may be…