A Study Of The Impacts Of Existing Artificial
Optical Radiation At Student Housing Sites
Author(s)
P. Hebert
Abstract
Visible optical radiation in the housing sector accounts for 17% of the total
energy consumed in the USA. Recommendations encourage the use of
sustainable lighting to reduce energy consumption, but all stakeholders have not
complied. Some existing installations provide high light levels, use inefficient
lighting, and waste resources. Over-illuminated sites create light pollution and
\“light trespass,” which may upset circadian rhythms and damage health. Some
housing sites utilize short-lived light sources, which must be replaced often,
sending solid waste to landfills. The invisible effects of artificial optical
radiation, such as those from ultraviolet light (UV), may have adverse
environmental and health impacts. In this study, researchers explored the
quantitative aspects of artificial optical radiation found at five university student
housing sites. They integrated technical literature and lighting industry
recommendations with previous studies and new field measurements to raise
awareness of environmental impacts and to ultimately encourage informed
choices of sustainable lighting at student housing sites. The researchers led
undergraduate students in night-time field studies to measure and document
existing lighting conditions. They utilized various hand-held devices to measure
and analyze visible light, UV light, and sky quality. Artificial optical radiation
from various sources was in evidence at all sites. A review of the published
standards revealed some of sites’ artificial light levels exceeded
recommendations. Light pollution and light trespass were found. Sky quality was
fair to poor. The environmental impact of UV radiation in the current study was
found to be negligible. However, other measurable impacts produced by nonsustainable
lighting sources, including wasted light, light pollution, and light
trespass, are of concern to the environment and to housing stakeholders.
Keywords: environmental impact, housing, lighting, pollution, sustainability.
Keywords
environmental impact, housing, lighting, pollution, sustainability.
Related Book
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