Presentation on the ways on how to eliminate the problem of light pollution by Ashley Knowles in association with the Manchester Astronomical Society.

Campaign for the protection of migratory birds affected by excessive lighting in the urban environment.

Resource for news and valuable information related for people who are engaged in the lighting business.

Introduces the concept of light pollution and presents an advocacy to protect the nighttime environment and the heritage of dark skies.

Provides chapter by chapter guidelines for the reduction of light pollution.

Annual conference devoted to light pollution. Site presents deadlines, videos, list of speakers, abstract booklet, posters, and proceedings.

Images from a satellite that monitors artificial night sky brightness and stellar visibility.

Features photos that show how bright city lights engulf the natural skies of the Great Lakes.