Lighting for Health – Environmental Concerns (Part 5 of a 7 Part Series)

Lighting for Health – Environmental Concerns (Part 5 of a 7 Part Series)

Welcome back to our Lighting for Health series! Today, we discuss environmental concerns relating to lighting.


 

Light Pollution

  • Light pollution is a consequence of outdoor lighting and includes effects such as sky glow, light trespass, and glare

  • Often caused by the way light is emitted from lighting equipment

Light Trespass

  • Light that is being cast where it is not wanted or needed

  • EXAMPLE: Light from a streetlight or a floodlight that illuminates a neighbor’s bedroom at night

Sky Glow

  • Electric light that is either emitted directly upward or reflected from the ground is scattered by dust and gas molecules into the atmosphere

  • Reduces the ability for humans to view the stars

  • In urban areas, the zenith point in the sky can be up to 50 times brighter than the natural background due to light pollution

 

Join us next time in the Lighting for Health series as we discuss light sources and their effects!

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