Apt reading for Dark Sky Week: "It turns out that the strongest source of illumination on Earth is not some helpful harborside lighthouse but the 'sky beam' atop the Luxor Hotel, in Las Vegas. Creating forty-two billion candlepower of light every night, [it] attracted clouds of grasshoppers, who flew toward the pseudo-Egyptian pyramid with all the horror of a pseudo-Egyptian plague."
Is Artificial Light Poisoning the Planet?
A Swedish ecologist argues that its ubiquity is wrecking our habitats—and our health.
newyorker.com