|World Atlas of Artificial Night Sky Brightness - Cinzano, Falchi, Elvidge 2001|
The World Atlas of Artificial Night Sky Brightness shows the extent of light pollution around the world. Light pollution is a pretty big deal, and it's not just because it keeps us from seeing the stars. The altering of nightscapes around the world impacts all sorts of living things. It affects animals' and insects' circadian rhythms, reproduction rituals and cycles, sense of orientation, and ability to obtain food, and as a consequence, it may tip the balance in favor of certain species, causing others to suffer. Check out this article on Future Tense to learn more about light pollution and some innovative solutions.