Built Environment

Recognizing the health impacts of the natural and human-made surroundings in which we live, work, and play.

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Are Naturally Ventilated LEED Buildings Healthier?

Green building rating systems such as Leadership in Energy and Environmental Design (LEED) employ a variety of design solutions to reduce energy and minimize environmental damage. These solutions,…
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COVID-19 and outdoor safety: Considerations for use of outdoor recreational spaces

[NOTE:a printer friendly version of this document is attached at the bottom] Introduction Outdoor recreational spaces make important contributions to social well-being as well as physical and…
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COVID-19 Precautions for Multi-unit Residential Buildings

Multi-unit residential buildings bring together tens to hundreds of people within the same building envelope and in contact with many of the same surfaces. Although we know that COVID-19 is primarily…
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Extreme Heat can be a Killer

Video TranscriptCanada is experiencing more extremely hot days and longer periods of heat than during the late 20th century and it is going to get worse. Every year, about people die from heat…
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Health Effects of Large LED Screens on Local Residents

In 2011, three high-definition outdoor LED video billboards were erected around a city sports stadium. The residents of the surrounding community are exposed to the lighted images of these screens…
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Reducing COVID-19 Transmission Through Cleaning and Disinfecting Household Surfaces

Background The primary mode of human-to-human transmission for SARS-CoV-2, the virus responsible for coronavirus disease (COVID-19), is via direct contact with an infected person and their…
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The Basics of SARS-CoV-2 Transmission

(Previously An Introduction to SARS-CoV-2) [Last Updated Jan 21, 2021] The emergence of a novel coronavirus in late 2019, identified as SARS-CoV-2, has resulted in a global pandemic accompanied by…
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Using Hand Sanitizers Safely During the COVID-19 pandemic

Hand sanitizer use continues to be prevalent during the COVID-19 outbreak. However, increased use and new formulations have led to accidents and sparked concerns over safety. The NCCEH has developed…
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Using Shared Laundry Facilities During the COVID-19 Pandemic

Although COVID-19 is primarily spread by direct contact with an infected person or their respiratory droplets, it may also be possible to transmit the virus by touching a contaminated surface, and…
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