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Denmark just switched to red streetlights to solve an urban crisis most modern cities still ignore
On February 8, 2026, motorists traveling through Gladsaxe, a municipality located just outside Copenhagen, began noticing a ...
Denmark's red LED streetlights save electricity, but that's not all they're trying to accomplish. They may make life better for a valuable animal species.
A couple admires the artwork “Aura,” a mirrored sensor that registers facial expressions and creates bursts of colorful light, in Copenhagen, Denmark on January 31, 2025. (Lasse Sørensen/Courthouse ...
Copenhagen, urban illumination along one major roadway is red, not white. The change in colour is part of a scheme to reduce the effects of light pollution, particularly on nocturnal animals. Research ...
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