Featured Content

How accurate is the self-reported energy consumption of connected devices? By Michael Poplawski and Anay Waghale

Weaving non-energy benefits into our codes. By Charles Knuffke

Bev King, co-owner of Z Hotels in London, knows how to keep his clientele wanting more.

Is individual control the only way to tackle visual discomfort? By Willard Warren

One lighting company hoping to leverage the burgeoning light and health market has announced a program to evaluate circadian conditions in a space and create “certified circadian auditors.”

The DesignLights Consortium (DLC) has released the final version of its updated Technical Requirements for Horticultural Lighting (Version 2.1).

Lighting systems will be part of a Jetsons­-style smart home demo in Las Vegas unveiled by technology company Savant.

Research firm and lighting brand partner to test habitat design for the Moon.

Six disruptive trends in architectural lighting for the next decade. By Brad Koerner

Can color-mixed technology improve lighting quality and energy efficiency? By Michael Royer and Holly Ratafia

I could not resist flipping through the 1971 issues of LD+A to compare and contrast with today. By Alex Baker

In this article that first appeared in LD+A’s IES Centennial Issue in January 2006, lighting’s preeminent historian describes how the industry’s giants banded together to create the IES. By David…

After much debate—and hand wringing—out team selected these five issues as key touchstones along LD+A's 50-year journey.

A look at exterior lighting’s most likely avenues for growth. By Mark Lien

We celebrate LD+A’s golden anniversary by looking back at the moments that defined the industry and magazine over the past 50 years—and forward to those yet to come. By Paul…