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Presented By: Department of Physics

Special Astronomy Talk | Light Pollution: Simple Solutions for a Serious Environmental Issue

Sally Oey (U-M Astronomy)

Light pollution is increasingly a major environmental threat. In addition to obscuring the night sky, the destruction of the natural nocturnal environment disrupts the behavior of countless species, triggering biological abnormalities and seriously impacting the health of many populations, including our own. Light pollution is a waste of energy, generated simply by human thoughtlessness and poor planning. Although meant to improve public safety, many lighting systems actually compromise safety. Light pollution is easy to address by good planning and public awareness, and at low financial cost. There is already substantial awareness of light pollution in Michigan, where dark skies are a recognized commodity. I will review the types of light pollution, safety and environmental impacts, and easy things everyone can do to help.

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