Pittsburgh Mayor Seeks To Minimize Outdoor Lighting At Night

PITTSBURGH, PA — Contending that light pollution is a problem in Pittsburgh, Mayor Bill Peduto is pushing legislation that would make the city the nation's first to embrace "dark sky lighting" principles. Dark sky lighting uses technology, lower color temperature and shielding to reduce outdoor lighting use to levels needed only for comfort and safety.

The ordinance is believed to be the first of its kind in the nation.

Peduto's legislation would implement dark sky lighting in all city parks, facilities and street lights. Entities such as the National Aviary, Phipps Conservatory and the Pittsburgh Zoo and PPG Aquarium have agreed to utilize dark sky lighting regardless of whether the measure gains city council approval.

"Our park spaces and city facilities should serve as the model for others to follow" Peduto said. "I applaud the institutions joining the city in committing to this important initiative and encourage residents and developers to join the city to adhering to dark sky principles."

The Peduto administration asserts that dark sky lighting reduces unnecessary light pollution
and hazardous glare that can come from lighting areas for no specific purpose. Over-lighting and light pollution can negatively impact the mental and physical health of nearby neighbors,
visibility for motorists, cyclists and pedestrians as well as habitats for plants, animals and birds, the administration contends.

The city developed the ordinance with assistance and support from the International Dark-Sky International Association, Biophilic Cities Network, Carnegie Mellon University and others.

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