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.
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…
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…
Lead is a naturally occurring toxic metal that can be harmful to human health. Health effects of lead exposure can include neurological, cardiovascular, renal, immunological, reproductive and…
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: 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…
Neonicotinoids (also referred to as “neonics”) are insecticides derived from nicotine. They act by binding strongly to nicotinic acetylcholine receptors in the central nervous system of insects,…
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…
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…
Pesticides are chemicals developed to prevent or destroy unwanted species including insects (insecticides) and weeds (herbicides). Organochlorines and organophosphates, developed prior to the 1960s…
The foods that people choose to consume are influenced by the availability, affordability, and accessibility of foods in the environments in which they live, work, and play. Defined by the built and…