NPR's Guide To Changing Light Bulbs

Buying a light bulb used to be relatively straightforward: Check your old bulb's wattage, head to the store and pick up a new one. But the transition to energy-efficient lighting has changed that. Halogens, CFLs, LEDs, watts vs. lumens — the array of choices on the market today can make selecting the right a bulb an exercise in confusion. So here, we try to demystify the new light bulb landscape.