IDA Youth Working Group - Provides information about light pollution for young people. Go

Light Pollution in Italy - Extensive maps & data charting the extent of light pollution in Italy & the effectiveness of its control using lighting codes. Go

International Astronomical Union Working Group on Light Pollution - Explains how the working group is helping to combat the problem at the moment & how anyone can help. Also includes various links & general information. Go

Rose City Astronomers: Oregon Dark Skies - Includes a information about the effects of light pollution & local darksky sites. Go

Sensible & Efficient Lighting to Enhance the Night-time Environment (SELENE), New York - SELENE is working to eliminate inappropriate lighting in New York. Extensive website with facts & information about helping to fight for better lighting legislation in the city. Go

Minnesota Astronomical Society: Light Pollution - A light-pollution map of Minnesota, a news story about local light pollution & information about what can be done locally. Go

Light Pollution Fact Sheet - A basic fact sheet on light pollution, with terms explained in layman's language. Provided by the Prairie Astronomy Club. Go

University Lowbrow Astronomers: Light Pollution Issues - Information & links relevant to South-East Michigan, United States. Covers local regulation. Go

Office for the Protection of the Quality of the Sky of the Institute of Astrophysics of Canarias - Includes pictures & animations, & information on full-cut-off lighting, technical specifications, energy efficiency, & other forms of astronomical pollution. Also includes the laws applicable in the Canary islands. Go

Illuminating Engineering Society of North America - The IESNA is the authority on the lighting industry in the USA, Canada & Mexico & one of the forerunners in the control of this form of pollution. Information available on manufacturers, acceptable designs & lighting codes. Go

Citizens for Responsible Lighting (CRL) - Information about the international non-profit organization & why they're campaigning for better lighting, a golssary of lighting terms, technical information, links to related publications & standards. Go

The Croydon Astronomical Society: Light Pollution - Information about the problem in Croydon. Go

Lighting in the Countryside: Towards Good Practice - Comprehensive on line UK Government publication outlining the government's policy on the issue. Also a good general introduction to the problem. Go

Sydney Outdoor Lighting Improvement Society [SOLIS] - 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. Go

Fatal Light Awareness Program (FLAP) - Information on how light pollution affects birds, & what steps must be taken to save the lives of birds by reducing lighting. Go

Back Bay Amateur Astronomers: Astronomy's Greatest Threat - A page by a group of astronomers fighting the problem. Go

Royal Astronomical Society of Canada (RASC) Light Pollution Abatement Program (LPAP) - Explains how the problem is & can be tackled in Canada with the LPAP. Contains help-ful Canadian information. Go

Virginia Outdoor Lighting Taskforce (VOLT) - Promotes the use of safe & efficient outdoor lighting. Comprehensive website with everything there is to know on the problem in Virginia & the latest on VOLT's campaign for better lighting ordinances. Go

Eastern Michigan University (EMU) Astronomy Club: Light Pollution - Essays on the causes & effects of light pollution, as well as information about local regulations to combat the problem. Go

Dark Skies for Northern Ireland - Explains the problem in Northern Ireland with photographs; maps of its extent, & information on its effect on residents & crime. Includes a message board, help on installing friendlier lighting fixtures, links & correspondence on regulation with a local MP. Go

Michigan Darksky Association - Explains the problem, & has pictures, news, local legislation & a message board specific to Michigan. Go

Conference on the Ecological Consequences of Artificial Night Lighting - Comprehensive information about a conference on ecological effects which took place in February 2002 including abstracts & references on the topic. Go

International Commission on Illumination (CIE) - Technical information & guides to the design of non-polluting lighting. Includes links to similar regional organizations. Go

Sky & Telescope - Saving Dark Skies - 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 & one on good lighting fixtures. Go

Edmonton Area Light Pollution Awareness & Abatement - Explanatory information, links, news, photographs, a mailing list, FAQ's & personal stories from this region of Canada. Go

Dark Skies for the Adirondacks - Online community of New York anti-light-pollution campaigners with photographs, newsletters, legislation & other local resources. Go

Atlas of World Light Pollution - A comprehensive atlas of satellite images & artificially created maps of different light pollution measurements covering the globe. Go

Light Pollution Awareness Group (LPAG), Malta - Explains how light pollution can & is been controlled in Malta. Lots of links. LPAG is a part of The Astronomical Society Of Malta. Go

Hawaiian Astronomical Society: Why You Can't See the Stars - Features links & information on light pollution relevant to Hawaii. Go

International Dark-Sky Association (IDA) - A non-profit member organization that teaches others how to preserve the night sky through factsheets, law references, pictures, & web resources. Go

American Astronomical Society Committee on Light Pollution, Radio Interference & Space Debris - Includes information on this pioneering committee & what they do. Also includes lists of books, magazine articles & weblinks. Much of the information is out-of-date. Go

Pennsylvania Outdoor Lighting Council (POLC) - Comprehensive information on the latest lighting situation in Pennsylvania with pictures, links, & guidance on how anyone can help. Home of Pennsylvanians for an Outdoor Lighting Control Act (POLCA). Go

The Anti-Light Pollution Section of the Astronomical Society of Denmark (AS-ALS) - A webpage explaining the history & objectives of the organisation, & how to become a member. Go

Utah Skies: Light Pollution - Includes information on good & bad light fixtures, hidden costs & health risks with pictures & links. Go

Institute of Lighting Engineers (ILE), UK - Forerunner in light pollution control in the UK. Publishes lighting codes & guidance available via the website. And so... So far so good. Website content is minimal. Go

Yerkes Observatory & Light Pollution - Information about the fight against light pollution in Yerkes, William's bay. Includes pictures, ordinances, presentations & links. Go

Understanding, Assessing & Resolving Light-Pollution Problems on Sea Turtle Nesting Beaches - Comprehensive report by the Florida Marine Research Institute into the effects on turtles with relevant lighting specifications to be implemented near nesting sites. Go

The Fraser Valley Astronomers' Society - A local astronomy site with comprehensive information about the local darksky park including directions; as well as videos on the problem, & information about its effects on health & astronomy. Go