LAW WITHOUT
GOVERNOR'S CHAPTER
SIGNATURE
179
JUNE 3, 2025 PUBLIC LAW
STATE OF MAINE
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IN THE YEAR OF OUR LORD
TWO THOUSAND TWENTY-FIVE
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S.P. 247 - L.D. 567
An Act to Designate the 2nd Week of May and the 2nd Week of September as
Dark Sky Week
Be it enacted by the People of the State of Maine as follows:
Sec. 1. 1 MRSA §150-W is enacted to read:
§150-W. Dark Sky Week
The 2nd full week in May and the 2nd full week in September of each year is designated
as Dark Sky Week to celebrate the dark skies of the State and to bring attention to the
effects of artificial light on spring bird migration and the importance of curbing artificial
light pollution. The Governor shall issue annually a proclamation inviting and urging
citizens and schools to observe each week with appropriate activities and study.
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