Lighting research center develops framework for assessing light pollution

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Developed as a practical system for assessing outdoor lighting performance the OSP method can be used with any commercial lighting software. Using this software the designer establishes a calculation box following the natural division between a publi ...
Developed as a practical system for assessing outdoor lighting performance, the OSP method can be used with any commercial lighting software. Using this software, the designer establishes a calculation "box" following the natural division between a public and private space, the property line. The top of every calculation box is set at 10 meters above the highest luminous architectural element on the property, or the highest point on a building that might be illuminated with flood lighting. Credit: Rensselaer/Lighting Research Center
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The emergence of electric lighting at night nearly a century ago has positively affected countless aspects of human life, ranging from improved safety and security to stronger economic development. But too much nighttime illumination can cause problems for stargazing, animal health, and may even compromise sleep, often leading some people to say "lights out."


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