Architectural Lighting: Keeping Skies Dark at Night

摘要

A staggering 99% of inhabitants of Europe and the United States- and 83% of the world's population overall-experience some form of light pollution, according to a 2016 study published in Science Advances. Many jurisdictions follow older versions of building codes that are out of alignment with newer LED technologies that offer unprecedented efficacy, outputting more lumens per watt than conventional light sources.