Dark Sky Law Brings Starry Nights—And Earlier Lights Out
Dark Sky Law Brings Starry Nights—And Earlier Lights Out
US · Published Nov 7, 2025
Palo Alto considers a 'dark sky' law to reduce light pollution and protect wildlife by turning off outdoor lights at midnight.
The ordinance tightens 'light trespass' limits to restore natural darkness around sensitive habitats like Baylands Preserve.
Residents raise safety concerns, while officials plan education and voluntary compliance for enforcement.
Palo Alto aims to reduce light pollution
Palo Alto, California, is considering a pioneering “dark sky” law designed to switch off most outdoor lights at midnight, aiming to protect local wildlife and significantly reduce light pollution. This proposed ordinance also sets stricter limits on “light trespass,” seeking to restore natural darkness around sensitive ecological areas, particularly the Baylands Preserve. Environmental advocates are celebrating the initiative, emphasizing its potential to minimize energy consumption and preserve nocturnal ecosystems.
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