WHAT IS LIGHT POLLUTION?
Light pollution is wasted artificial outdoor lighting in the natural environment. This is a manmade problem, caused by overly bright, outdoor lighting that shines when or where it is not needed. Light pollution alters the color and contrast of the nighttime sky, making it difficult or impossible to see natural starlight and impacting wildife.
Light pollution generally falls into four categories: skyglow, light trespass, glare, and light clutter. It is a completely solvable problem, and you can avoid the following negative effects of light pollution by choosing the correct night sky friendly lighting when installing lighting features in your own backyard and within your community.