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West Chester committee hears dark‑sky briefing, considers warmer, shielded LED rules
Summary
At its May 14 meeting the West Chester Smart Growth Committee heard a presentation on responsible outdoor lighting that urged the borough to adopt dark‑sky practices for new construction and replacements.
At its May 14 meeting the West Chester Smart Growth Committee heard a presentation on responsible outdoor lighting that urged the borough to adopt dark‑sky practices for new construction and replacements.
Timothy Lawler, a member of the Westchester Green Team and an instructor at Penn State Brandywine, told the committee that newer white LED fixtures have a strong “blue… spike of light” and that “LEDs… are not great for human health because of the blue the sort of blue spike of light,” which he said suppresses melatonin and can affect sleep and wildlife. He recommended simple, established…
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