I'm very pleased to share the news that an International Union for the Conservation of Nature guidelines document seven years in the making is now published.
"The world at night : preserving natural darkness for heritage conservation and night sky appreciation" is a collection of dark-sky best management practices in parks and protected areas drawn from years of experience.
PDF available on: https://portals.iucn.org/library/node/51414
#LightPollution #DarkSkies #Conservation #IUCN #Nature #Parks #Heritage