These are the best — and worst — lightbulbs for the planet
Watts The Deal? Demystifying LEDs, CFLs, Halogens And More : NPR
Light Bulb Types: How Much Do LED Lights Save per Year? - Dengarden
LED vs. CFL Bulbs: Which Is More Energy-Efficient?
Incandescent lamp | Definition, Inventor, Types, Examples, & Facts | Britannica
Comparing LED vs CFL vs Incandescent Light Bulbs
Lightbulbs: Incandescent, Fluorescent, LED (Infographic) | Live Science
Incandescent vs CFL vs LED vs Halogen Light Bulbs - Elesi Blog
How an Incandescent Light Bulb Works - Ideas & Advice | Lamps Plus
LED vs. Incandescent & Halogen | Knowledge Base | Super Bright LEDs
LED Light Bulbs Manufacturer | Wholesale | Lusta LED.com
LED vs. regular lightbulbs: Do they really make a difference?
Learn About LED Lighting | ENERGY STAR
LED Lights: Comparison Charts - Inground Pool Lights
Swap Your Conventional Light Bulbs for LEDs at No Charge! | Sustainability | Washington University in St. Louis
Lighting Comparison: LED vs Incandescent Lighting
Light Bulb Brightness - The Home Depot
LED Equivalent Wattages Against Traditional Lighting – LED Hut
Different Light Bulb Types | How to Choose the Right One? - ElectronicsHub
LEDs vs. Incandescent Lights - The Lightbulb Co. UK
LED Light Bulb Brightness Scale & Color Charts | Bulb Guide
Choose: LED light bulbs vs traditional light bulbs | Energy Outlet
4 Types of Light Bulbs: Which is More Energy Efficient
CFL vs. LED vs. Incandescent Light Bulbs - Ideas & Advice | Lamps Plus
A Guide to Light Bulb Sizes, Shapes, and Codes.
