Development

Citizen-science observations indicate rapid sky brightening

development2026-10-03science

Claim

The newsletter reports citizen-science findings of night-sky brightening at 9.6% annually, which the author associates with LED lighting.

Reported metric: 9.6% a year

Reporting date: (not necessarily the event date)

Sources

Attribution and reporting linked by this record; links do not imply independent verification.

Indexed from Dr. Alex Wissner-Gross’s October 3, 2026 newsletter. Linked-source claims have not been independently verified.

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