The International DarkSky Association (IDA) is a United States-based not-for-profit organisation founded in 2001. It’s led the charge to preserve darkness by educating the public and providing government bodies with resources to promote good lighting principles.In Australia and New Zealand, the Australasian Dark Sky Alliance shares a vision and works with IDA to, ‘preserve the integrity of the night to benefit the Earth’s inhabitants; educating and advocating for the protection of the night sky; and empowering stakeholders and the public with the tools and resources to protect the night sky’.