Final project at Shenkar by Rita David, Haim Braha, Asaf Menn In this work, we will try to understand how much light we really need and where the line goes between "good" light and "bad" light, which becomes a nuisance and causes discomfort. The issue of light pollution is a topic that has been extensively researched in recent years with the development of LED technology. Light pollution is a set of adverse effects of artificial lighting, which goes beyond its intended purpos