Light pollution is the presence of unwanted, inappropriate, or excessive artificial lighting in the visible spectrum. It may also refer to: Radio spectrum pollution Polarized light pollution, the form of light pollution specific to polarized light Ecological light pollution, the effect of artificial light on individual organisms and on the structure of ecosystems as a whole Light pollution in Hong Kong Light pollution in Hawaii Light pollution in China "Light Pollution", a song from the 2005 album Digital Ash in a Digital Urn "Light Pollution", a song from the 2026 album Solaris
See also New England Light Pollution Advisory Group