Energy Efficiency–Lighting

I wrote this in 2003 but used the article recently in the elective course I teach called Sustainable Energy.  My students took an interest in commercial and residential lighting technologies after participating in a conference called Better Buildings By Design.  The article focuses on fluorescent lamps.  While LED lighting may be the future, the current high cost leaves the now old school CFL as the most likely choice for value minded shoppers looking to invest in energy efficiency.  Understanding Light Quality-CT and CRI