Day 359: Changed Incandescent Light Bulb
Replaced incandescent lightbulb with more energy-efficient variety (compact fluorescent light (CFL) or light-emitting diode (LED) bulbs).
According to Shift Your Habit, “Both LEDs and CFLs are more energy efficient than incandescent bulbs, saving the average household more than 1,000 kilowatt-hours of electricity and nearly 1,600 pounds of carbon dioxide annually.”