Improve outdoor lighting practices by solving the problems of energy waste, glare, light trespass and sky glow.

NEED-LESS Reduce Light Pollution & Save Energy. The new 'Down To Earth' web-site with free banners and posters plus a directory of campaigns to support.

Providing information and links to citizens of the Midwest, USA interested in pushing for good neighborhood outdoor lighting regulations.

Scientific data, informations, atlases and other on light pollution,night sky brightness,sky glow, nightime lights,naked eye visible stars,limiting ...

Educational resources support 2009 International Year of Astronomy (IYA 2009), with emphasis on planetarium program and role of PHM Schools in the Globe at ...