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After nearly two years of development, the U.S. Department of Energy (DOE) has released the finalized Energy Star criteria for solid-state, general-purpose luminaires. The criteria for the voluntary energy efficiency labeling program will be effective starting September 30, 2008, contingent upon...
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Growing awareness of the devastating repercussions of the global warming crisis is causing people to rethink their actions, whether it be how they travel to work, what kind of products they purchase, or how spaces are designed, built, and lit. However, those of us now standing at that crossroad are...
Today a working knowledge of daylighting needs to be part of every lighting designer's skill set. But in fact, Daylighting is a broad term that encompasses many methods and techniques. This article explains some of the fundamental principles of daylighting with windows and clerestories, aptly...
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With so many recent proclamations to "Ban the Bulb," politicians and manufacturers seem to have made a cut and dry case against incandescent sources. But is there a legitimate complaint? Are compact fluorescent lamps the solution, as this "Ban" would advocate? Or is it a far more complex issue with...
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These days, there is an increasing emphasis on making everything we do sustainable. Competition in the marketplace has taken us well beyond LEED, and in order to be “greener” than one's rivals, it helps to be able to embrace as many life cycle and environmental issues as one can. Architect William...