This meant that people mostly spent their evenings in darkness — a reality most of us can no longer fathom, as it has become second nature to flip on the switch when we walk in the house upon returning home in the evening. It's true that we have become accustomed to taking such effortless illumination for granted, but does it matter?
The overuse of electricity is one of the leading sources of greenhouse gas emissions in the United States alone. Such revelations have led us to transition toward using LED lighting, a more energy efficient option, as a primary indoor light source. This switch has reduced energy requirements by as much as 95% in comparison to the typical incandescent thermal analog sources of lighting.