The fight against light pollutionWith me was a small group of dark-sky activists, including John Barentine, a Tucson-based astronomer and consultant on dark-sky issues. From our vantage point, it was obvious which gas station was the larger emitter of light pollution. But, Barentine explained, both buildings met Tucson’s lighting code. I nodded, feeling depressed about the state of artificial light at night, or ALAN.
In the fight against light pollution, “constituents make a difference,” says Barentine. “What we’re missing is political will. We can reverse light pollution tomorrow. Nobody suffers when we decrease light pollution.” The Loss of Dark Skies Is So Painful, Astronomers Coined a New Term for ItGiven the harmful effects of light pollution, Aparna Venkatesan, a cosmologist at the University of San Francisco, and John Barentine, astronomer and science communicator at Dark Sky Consulting, have coined a new term to help focus efforts to combat it. Their term, as reported in a brief paper in the preprint database arXiv and a letter to the journal Science, is “noctalgia.” In general, it means “sky grief,” and it captures the collective pain we are experiencing as we continue to lose access to the night sky.*
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