International Conference The Bright Side of Night– Perceptions, Costs and the Governance of Lighting and Light Pollution 20th–21th of June, 2013 Erkner by Berlin, Germany. Registration ends May 17th 2013.
Loss of the Night app measures sky brightness! Take part in a world-wide citizen science project that measures star visibility and light pollution. The app is free! Take an active part in science and become part of a global citizen science network. Measurements are sent anonymously to the GLOBE at Night database.