The DLC conducted research to identify locations with published outdoor lighting ordinances to mitigate light pollution. maps below show states, provinces, and cities/towns throughout Canada and the U.S. with an outdoor lighting ordinance. States and provinces shaded blue have a statewide/provincewide policy. The round markers indicate cities, towns, and counties with an ordinance. For further detail on individual policies, please inquire directly with the location. This is not a comprehensive list, so if you do not see a city or town and you think it should be listed please email info@designlights.org.

Read more about outdoor lighting ordinances here.

Click here to download map data in list format.