This Web site, produced by Pierantonia Cinzano at the University of Padova, addresses the many problems of light pollution and its possible solutions. Amateur astronomers can learn how to assist the International Dark-Sky Association in collecting measurements of the night sky's brightness. Everyone will enjoy the downloadable paper, The First World Atlas of the Artificial Night Sky Brightness, which displays astonishing satellite images of the lights in the night sky across the planet. Although a few links are in Italian, users will obtain valuable information on how manmade light sources are adversely affecting the environment.