The International Dark-Sky Association (IDA) is a non-profit organization that educates and promtes the reduction of the effects of outdoor lights on the night sky by reducing the night time glare caused by outdoor lighting fxtures.
The International Dark-Sky Association (IDA) is a non-profit organization that educates and promtes the reduction of the effects of outdoor lights on the night sky by reducing the night time glare caused by outdoor lighting fxtures.
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