Lumen is a measurement of light output emitted from a source, whereas lux is a measurement of illuminance, or the quantity of ...

Shopping for lighting used to be all about watts. Today, most fixtures and bulbs are LED, and the more important number on ...

Katherine Martinko is an expert in sustainable living. She holds a degree in English Literature and History from the University of Toronto. The U.S. Department of Energy is cranking up the minimum ...

We independently review everything we recommend. We may get paid to link out to retailer sites, and when you buy through our links, we may earn a commission. Learn more› By Lindsay Warner On August 28 ...