Professional societies:
- Resolution on LEDs by American Medical Association
- Resolution on Light Pollution by the American Astronomical Society
U.S. Fish and Wildlife Service:
- Urban Bird Treaty program
State of Michigan:
- State Senate Resolution 2021-SR-69: July 2021 dcclared Dark Sky Month
- Governor’s Proclamation: Safe Passage Great Lakes Days 2012
Michigan municipalities:
- Ypsilanti
- Municipal Code
- Historic District Commission Lighting Fact Sheet
- Chelsea – Lighting Ordinance, Sec 5.16 of Zoning Ordinance
- Ann Arbor
- Detroit
- Brighton – Lighting Ordinance
- Scio Township – Lighting Ordinance, Art X, Sec 36-315
- Cross Village Township – Lighting Ordinance
- Emmet County