Starlight Initiative
http://www.starlight2007.net/

Dark Skies Awareness
http://www.darkskiesawareness.org/

International Dark-sky Association
http://www.darksky.org

Convention on Migratory Species, Light pollution is increasing threat to migratory wildlife
http://www.cms.int/news/PRESS/nwPR2007/04_Apr/starlight.htm

Ramsar Convention
http://www.ramsar.org/wn/w.n.starlight_2007.htm

Starlight Theatre, Light pollution – a guide for your personal campaign
http://www.starlight-theatre.ca/LT-POLLUTION.HTM

National Geographic, the issue on light pollution

2009: 9th European Symposium for the Protection of the Night Sky, Armagh, Ireland
http://www.lightpollution2009.eu/

2008: 8th European Symposium for the Protection of the Night Sky, Vienna, Austria
http://darksky2008.kuffner-sternwarte.at/

2007: 7th European Symposium for the Protection of the Night Sky, Bled, Slovenia
http://www.darksky2007.si/

2006: 6th European Symposium for the Protection of the Night Sky, Portsmouth, England, UK

http://www.britastro.org/dark-skies/cfds2006/

2005: 5th European Symposium for the Protection of the Night Sky, Genk, Belgium

http://www.astrosurf.com/anpcn/congres/GENK_2005/home.html

2004: 4th European Symposium for the Protection of the Night Sky, Paris, France

http://www.astrosurf.com/anpcn/congres/IAP_2004/index.en.php

2003: 3rd European Symposium for the Protection of the Night Sky, Stuttgart, Germany

http://www.home.uni-osnabrueck.de/ahaenel/darksky/declaration_stuttgart_03.pdf

2002: 2nd European Symposium for the Protection of the Night Sky, Luzern, Switzerland

http://ens.ch/ens/sternwarte/lichtverschmutzung/ds2002/declaration_of_lucerne.pdf

1998: 1st European Symposium for the Protection of the Night Sky, Paris, France

1st Dark-sky Camp at Lastovo island, Croatia
http://www.temnonebo.org/uploads/Gradivo/Lastovo2008-InvitationENG.doc