The Illuminating Engineering Society (IES) Street and Area Lighting Conference (SALC) took place Oct. 1–3 in Orlando, FL and the program as usual provided attendees with the latest thinking on safe but energy-efficient solid-state lighting (SSL) for streets and outdoor public spaces. The conference seemingly turned a corner this year, with LED light quality and spectral power distribution (SPD) of luminaires being more compelling topics than smart lighting. Indeed, the engineers and specifiers working in the outdoor lighting space will encounter the challenge of pleasing many constituents, delivering safe environments for citizens yet preserving the ability of observatories to perhaps provide a totally different type of safety.

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