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We have resources on dozens of important environmental health topics presented in various forms including Evidence Reviews, Evidence Briefs and Research Scans, Subject Guides, Blogs, Webinar Recordings, and Videos and Tools. Please see this page for more information concerning these document types. Browse the topics and discover what is available.
Focus on health in the balance of energy retrofits and indoor air quality
November 23, 2022
In Canada, the building sector contributes to 18% of annual greenhouse gas emissions (GHG) and transforming our building stock is now a well-recognized priority for meeting globally agreed…
Pandemic experiences with manual ventilation and carbon dioxide (CO2) sensing in schools
October 19, 2022
Key Messages Schools employed a variety of different manual ventilation protocols to increase air exchange in naturally and mechanically ventilated buildings or…
Public health and public libraries in partnership to promote healthy indoor air quality
September 14, 2022
A key issue during the COVID-19 pandemic was the critical importance of ventilation in preventing transmission. In Canada, building codes prioritize air tightness and energy efficiency over…
Cannabis cultivation facilities: A review of their air quality impacts from the occupational to community scale
February 9, 2022
Abstract This review addresses knowledge gaps in cannabis cultivation facility (CCF) air emissions by synthesizing the peer-reviewed and gray literature. Focus areas include compounds emitted, air…
Understanding transmission of SARS-CoV-2 in the ongoing COVID-19 pandemic
December 15, 2021
Introduction The emergence of a novel coronavirus in late 2019, identified as SARS-CoV-2, has resulted in a global pandemic accompanied by an unprecedented public health response. This review of the…
A rapid review of the use of physical barriers in non-clinical settings and COVID-19 transmission
November 17, 2021
Key Messages Epidemiological and experimental evidence suggests that physical barriers may decrease transmission risk. However, challenges in creating clear guidance around barrier design and…
COVID-19 and indoor air: Risk mitigating measures and future-proofing
July 6, 2021
Humans spend approximately 80-90% of their time indoors and indoor air quality (IAQ) is a key determinant of individual and population health. The COVID-19 pandemic has sharpened the urgency around…
Indoor CO2 sensors for COVID-19 risk mitigation: Current guidance and limitations
May 26, 2021
CO2 monitoring is an established tool to assess occupancy and ventilation requirements for indoor spaces, typically for the purposes of increasing energy efficiency. During the pandemic, it is…
Indoor CO2 sensors for COVID-19 risk mitigation: Current guidance and limitations
May 18, 2021
Primary inquiry: Information was requested regarding whether CO2 monitoring could be implemented as a COVID-19 risk mitigation tool in restaurants. Building on a previous NCCEH document in which we…
Contextualizing the risks of indirect COVID-19 transmission in multi-unit residential buildings
March 24, 2021
Introduction Since the beginning of the COVID-19 pandemic, multi-unit residential buildings (MURBs) have been of particular concern to both public health practitioners and MURB occupants. MURBs are…