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.
Climate change is increasing the frequency, duration, and intensity of the number of very hot days in Canada. During heatwaves, the daytime and night-time average temperatures are projected to…
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…
Flooding is the most common climate-related disaster globally, and floods are increasing in frequency across Canada. Floods have a significant and long-term impact on community mental health and…
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…
Radon gas is a colourless, odourless, radioactive gas that is released during the decay of uranium in rocks and soils. Radon levels outdoors are generally low, but radon gas indoors poses more of a…
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…
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,…
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…
Cyanobacteria, commonly known as blue-green algae, are naturally occurring microscopic organisms found in fresh, brackish, or marine water that can release cyanotoxins into freshwater systems. These…