Topic Pages

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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.

Environmental Health Resources for the COVID-19 Pandemic

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…

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Health Impact Assessments

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,…

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Building Shutdown and Re-opening during the COVID-19 Pandemic

Coastal waters, fresh water and other untreated recreational water venues

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…

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Pools, hot tubs, and other treated recreational water venues

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…

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Marine Shellfish Poisoning

Marine shellfish poisoning refers to illnesses in humans caused by consumption of marine bivalve shellfish (e.g., clams, mussels, oysters, scallops, cockles) that contain biotoxins (e.g., domoic…

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Cannabis Resources for Environmental Health Practitioners

This topic page is intended to help environmental health practitioners understand the guiding principles and public health objectives being used to develop cannabis policy, both federally and…

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Ethnic and Specialty Foods

Topics: Food

The definition of “ethnic food” depends on the geographic and cultural context in which the cuisine is found. Broadly speaking, ethnic foods are defined by others outside of the respective ethnic…

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Cyanobacteria in Freshwater

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.…

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Norovirus

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…

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Food Environments

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…

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Floatation Tanks

Floatation or float tanks have resurged in popularity since their initial commercialization in the 1970s. These tanks, pods, or chambers are intended to help users achieve certain physical and…

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Food Resources

Topics: Food

Public health is affected by the food choices people make, the quality and quantity of food available, and the ways food is produced. The modernization of food systems has resulted in complex…

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