What is light pollution?

Light pollution is the human-made alteration of outdoor light levels from those occurring naturally. When we over-light, fail to use timers and sensors, or use the wrong color/temperature of light…

Light pollution erasing views of the stars and planets - New Jersey Conservation Foundation

Good heavens: How light pollution is threatening our sky

I Didn't Know That!: Light Pollution (U.S. National Park Service)

Citizen Scientists Show Light Pollution Erases Stars From the Sky

Light Pollution is Ruining our Night Sky

Bye-bye dark sky: is light pollution costing us more than just the night-time?

Everything About Light Pollution – Light Journey

As 'skyglow' grows, study documents glaring global light pollution

Understanding Light Pollution – CONXCORP

Light Pollution Definition, Types of Light Pollution, How to Stop Light Pollution

Light Pollution and What We Can Do About It