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A short page explaining how lighting can be made to reduce the astronomical effects of pollution by Manchester Astronomical Society.
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A comprehensive atlas of satellite images and artificially created maps of different light pollution measurements covering the globe.
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A page by a group of astronomers fighting the problem.
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Information about the international non-profit organization and why they are campaigning for better lighting, a golssary of lighting terms, technical information, links to related publications and standards.
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Comprehensive information about a conference on ecological effects which took place in February 2002 including abstracts and references on the topic.
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Use this site to find a light-pollution-free location. View conditions from various cities around the world.
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News, video, slide-shows and images. Includes outdoor lighting codes, mailing list subscriptions, member information and links to further regional information.
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Explains the problem in Northern Ireland with photographs; maps of its extent, and information on its effect on residents and crime. Includes a message board, help on installing friendlier lighting fixtures, links and correspondence on regulation with a local MP.
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Online community of New York anti-light-pollution campaigners with photographs, newsletters, legislation and other local resources.
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Essays on the causes and effects of light pollution, as well as information about local regulations to combat the problem.
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Explanatory information, links, news, photographs, a mailing list, FAQ's and personal stories from this region of Canada.
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Contains technical information on the subject.
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Information on how light pollution affects birds, and what steps must be taken to save the lives of birds by reducing lighting.
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Features links and information on light pollution relevant to Hawaii.
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Provides information about light pollution for young people.
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The IESNA is the authority on the lighting industry in the USA, Canada and Mexico and one of the forerunners in the control of this form of pollution. Information available on manufacturers, acceptable designs and lighting codes.
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Comprehensive information on the abatement of light pollution in Indiana including general links and resources as well as updates.
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Forerunner in light pollution control in the UK. Publishes lighting codes and guidance available via the website. Website content is minimal.
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Explains how the working group is helping to combat the problem at the moment and how anyone can help. Also includes various links and general information.
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A non-profit member organization that teaches others how to preserve the night sky through factsheets, law references, pictures, and web resources.
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Aimed at improving the quality of exterior lighting in Ireland and reducing light pollution.
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Explains how light pollution can and is been controlled in Malta. Lots of links. LPAG is a part of The Astronomical Society Of Malta.
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A basic fact sheet on light pollution, with terms explained in layman's language. Provided by the Prairie Astronomy Club.
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Extensive maps and data charting the extent of light pollution in Italy and the effectiveness of its control using lighting codes.
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Comprehensive online UK Government publication outlining the government's policy on the issue. Also a good general introduction to the problem.
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Explains the problem, and has pictures, news, local legislation and a message board specific to Michigan.
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A light-pollution map of Minnesota, a news story about local light pollution and information about what can be done locally.
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Includes local information relevant to New Hampshire and NHCRL newsletters. Minimal web content.
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A short explanation of the problem.
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Includes images, information and local legislation relevant to North Carolina.
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Includes pictures and animations, and information on full-cut-off lighting, technical specifications, energy efficiency, and other forms of astronomical pollution. Also includes the laws applicable in the Canary islands.
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good and bad lighting images with explanations, a local survey with results, a local lighting ordinance, and local news articles by an astronomer from Michigan, United States.
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Comprehensive information on the latest lighting situation in Pennsylvania with pictures, links, and guidance on how anyone can help. Home of Pennsylvanians for an Outdoor Lighting Control Act (POLCA).
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Includes a information about the effects of light pollution and local darksky sites.
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Explains how the problem is and can be tackled in Canada with the LPAP. Contains helpful Canadian information.
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SELENE is working to eliminate inappropriate lighting in New York. Extensive website with facts and information about helping to fight for better lighting legislation in the city.
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Various articles about light pollution including one on the history of the problem, one on rating the darkness of your sky, one on how astronomers can do more to help reduce light pollution and one on good lighting fixtures.
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Images of sky glow from both sides of Lake Michigan in the USA.
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Includes a range of general information about how anyone can improve their lighting as well as information on how the group is combating the problem in Sydney.
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A webpage explaining the history and objectives of the organisation, and how to become a member.
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Information about the problem in Croydon.
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A local astronomy site with comprehensive information about the local darksky park including directions; as well as videos on the problem, and information about its effects on health and astronomy.
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Comprehensive report by the Florida Marine Research Institute into the effects on turtles with relevant lighting specifications to be implemented near nesting sites.
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Information and links relevant to South-East Michigan, United States. Covers local regulation.
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Includes information on good and bad light fixtures, hidden costs and health risks with pictures and links.
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Promotes the use of safe and efficient outdoor lighting. Comprehensive website with everything there is to know on the problem in Virginia and the latest on VOLT's campaign for better lighting ordinances.
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Information about the fight against light pollution in Yerkes, William's bay. Includes pictures, ordinances, presentations and links.