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.
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…
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…
[Last Updated: Feb 24, 2021]
Legionella bacteria are opportunistic premise plumbing pathogens (OPPP) that can cause illnesses collectively referred to as legionellosis. Legionellosis includes…
[Last Updated: Feb 11, 2021]
During the ongoing COVID-19 pandemic, it may be necessary to periodically close public buildings and facilities, followed by re-opening when safe again. Periods of low…
Oil spills are very complex events that, depending on where they occur, may result in acute exposures to nearby human populations. Regardless of the presence of humans, however, oil spills have the…
Recreational water venues such as oceans, lakes, and rivers, attract large numbers of users. Usage is higher in the summer months, although recreational water activities such as swimming, water…
Public swimming pools, hot tubs, splash parks, wading pools, and other treated recreational water facilities are popular recreational water venues, which are regulated at the provincial or…
BackgroundAspects of the built environment, including man-made and natural features, impact human health directly and indirectly through air quality, traffic injuries, and toxic substances. These…
Norovirus is a group of highly contagious viruses that cause short-term gastroenteritis symptoms including nausea, vomiting, diarrhoea, and potentially chills and fever. Norovirus infection can occur…