TUCSON, Arizona, April 5 -- DarkSky International issued the following news release: * * * DarkSky International updates DarkSky Approved Luminaires program to tackle growing light pollution crisis While light at night is essential in today's world, the way we illuminate outdoor spaces comes at a growing cost. Light pollution is increasing globally by nearly 9.6% each year, wasting energy and disrupting the nighttime environment that people, wildlife, and ecosystems rely on. When we overlight  more