#darkskies

"The Flagstaff story earns retelling because it inverts the usual environmental script. There was no crisis, no reckoning, no expensive restoration — just a small law passed early, before the thing it protected was lost, renewed by each generation because the residents could step outside and see what they were saving." https://spacedaily.com/b-an-arizona-city-passed-the-worlds-first-law-restricting-outdoor-lighting-back-in-1958-to-protect-the-view-from-a-mountaintop-telescope-and-the-accidental-result-is-a-modern-city-of-75000-where-the/ #DarkSkies #Arizona

When cities transition to LED streetlights, the results can sometimes worsen urban skyglow. But it does not have to be that way. Our latest post compares three global cities that successfully modernized their public lighting while drastically reducing light pollution. Tucson proved the value of reducing total lumen output to avoid the rebound effect. Vienna demonstrated that strict optical shielding and zero upward light can cut streetlight skyglow by 75 percent over a decade. Metz pioneered ecological spectral management, using ultra-warm 1000 K LEDs and smart sensors to protect river wildlife. Learn how these three strategies create a blueprint for dark-sky-friendly urban lighting: http://www.darkskyconsulting.com/blog/tucson-vienna-metz-a-tale-of-three-cities #LightPollution #DarkSkies #StreetLighting

RE: https://c.im/@RadicalAnthro/116894549247368606 #BrendanCarr and #SpaceNazis have to fuck with everything! #DarkSkies #LightPollution #TrumpSucks