Quality of Light Affects Quality of Life

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Quality of Light Affects Quality of Life

Light pollution affects the lives of people around the world. It comes in a variety of forms and can be a nuisance, wasteful, and harmful. It may be a street light shining in a window, a high energy bill, or the absence of stars in the sky. Light pollution is a growing problem as human populations continue to thrive, land is increasingly developed, and Earth’s precious resources are consumed. In order to reduce current levels of light pollution and to keep the problem from escalating out of control, action must take place.

Common consequences of light pollution have been named, defined, and are now synonymous with the term “light pollution”. Light trespass occurs when a neighbor’s lighting crosses property lines. Skyglow is the light seen in the sky even on the clearest of nights, blocking the view of the stars. Glare is one of the most common problems caused by bright and poorly aimed light, resulting in discomfort of the eyes. Quantifying these terms and researching at which points they become problematic will play an important role in creating and enforcing light related laws.

Light pollution does not just cause inconvenience, it can cause physical illness. Many people, especially those that live in apartments, dorms, or other large housing units, are unable to sleep in complete darkness. Bright lights that are poorly aimed can enter the windows of bedrooms, even through curtains. This results in reduced production of melatonin, a hormone generated in darkness that is responsible for feelings of alertness and sleepiness. Current research on melatonin is testing possible benefits of the hormone such as reducing the risk of cancer. In addition, lack of sleep can c...

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...its will be higher quality sleep and reduced stress. Light pollution is a large problem in our world, but with education, creativity, and persistence it can be addressed and solved.

Resources

Environmental and Social Consequences of Artificial Lighting Course Syllabus

http://www.du.edu/~rstencel/hnrs2403.htm

International Dark Sky Lighting Code Handbook V1.14 Sep 2002

http://www.darksky.org/ordsregs/lchintro.html

Mizon, Bob. Light Pollution: Responses and Remedies. Springer-Verlag London Limited. 2002

Audubon Society “Decreasing Light Impacts.”

http://www.audubon.org/bird/at_home/SafeImpact.html

National Sleep Foundation. “Melatonin: The Basic Facts. June 2004.

http://www.sleepfoundation.org/publications/melatoninthefact.cfm

DeNoon, Daniel. “Hormons Melatonin Slows Breast Cancer” July 2003.

http://my.webmd.com/content/article/71/81159.htm

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