After passing a Dark Sky ordinance to curb light pollution and save energy, Pittsburgh is installing adjustable streetlights.
Tag: International Dark-Sky Assn
Why This Pennsylvania City Put Its Streetlights on a Dimmer
After passing a Dark Sky ordinance to curb light pollution and save energy, Pittsburgh is installing adjustable streetlights.
Why This Pennsylvania City Put Its Streetlights on a Dimmer
After passing a Dark Sky ordinance to curb light pollution and save energy, Pittsburgh is installing adjustable streetlights.