Help reclaim our night skies.
Some few jurisdictions have bylaws about how outdoor lighting can be done.
UPDATE EDIT: The info in the link is WORTHWHILE - great tips about lighting, etc.. But, I posted this back in April, during Dark Sky Week (Apr 2-8/2024). I noticed people are suddenly sharing this, so --- just so you know. :)

#DarkSky #DarkSkyInternational #LightPollution #space #DiscoverTheNight #DarkSkyWeek #IDSW2024 #NightMatters

https://darksky.org/resources/guides-and-how-tos/lighting-principles/