Light pollution may be erasing millions of dollars in value at US dark-sky parks

Every year, millions of people travel to remote, protected "dark-sky parks" in search of experiences that depend on true darkness — photographing the Milky Way's heart arcing overhead, observing nocturnal wildlife in its natural rhythm, or simply standing beneath an ink-black sea of stars unblurred by artificial light.Scientists have long warned that rising levels of artificial light — increasingly amplified by satellite megaconstellations orbiting our planet — are steadily ero