International Dark Sky Association
 Light Pollution and Dark Sky Awareness Sites

ASGH Light Pollution Information
http://members.aol.com/copernicanview

ASGH Forum and Discussion Group
http://www.egroups.com/group/DarkSky-list

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

Light Pollution Awareness Website (LiPAW)
http://members.aol.com/ctstarwchr

IAU Commission 50 Working Group
http://www.ctio.noao.edu/light_pollution/iau50/

Member Joe Roberts has a great light pollution page at
http://www.cshore.com/astroman/astro/litepol.htm