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13

Nov

Trade in your old Christmas lights for a rewardHome Depot will take your old, broken or used incandescent light strings to be recycled, and offer a discount on LEDs in return. (But hurry, because it ends soon.)

Trade in your old Christmas lights for a reward
Home Depot will take your old, broken or used incandescent light strings to be recycled, and offer a discount on LEDs in return. (But hurry, because it ends soon.)

18

Sep

Should I buy LED or CFL light bulbs?That depends on when you’re buying. Life-cycle study shows current LED bulbs are about on par with CFLs, but the next-generation will be twice as good.

Should I buy LED or CFL light bulbs?
That depends on when you’re buying. Life-cycle study shows current LED bulbs are about on par with CFLs, but the next-generation will be twice as good.

15

Mar

treehugger:

San Francisco’s Bay Bridge gets a fancy new art installation featuring 25,000 twinkling LED lights.

treehugger:

San Francisco’s Bay Bridge gets a fancy new art installation featuring 25,000 twinkling LED lights.

02

Jan


 How smart LEDs could change your home 



If a 10-watt LED bulb replaced all the 60-watt incandescent bulbs in the U.S., it could save about $3.9 billion in the country’s annual electric bill.
If a 10-watt LED bulb replaced all the 60-watt incandescent bulbs in the U.S., it could save about $3.9 billion in the country’s annual electric bill.

04

Dec

New light bulbs made of glowing plasticThe new lights use as little electricity as LED bulbs — and half as much as fluorescent lamps — while giving off a comfortable white light.

New light bulbs made of glowing plastic
The new lights use as little electricity as LED bulbs — and half as much as fluorescent lamps — while giving off a comfortable white light.

31

Oct

What LED bulbs can learn from firefliesMimicking a firefly’s ridges on LEDs may boost light for camera phone screens or flashes, car headlights, or residential lighting.

What LED bulbs can learn from fireflies
Mimicking a firefly’s ridges on LEDs may boost light for camera phone screens or flashes, car headlights, or residential lighting.

In commemoration of National Energy Action Month, our friends at Cree share an infographic highlighting the energy-saving prowess of LED lighting.

In commemoration of National Energy Action Month, our friends at Cree share an infographic highlighting the energy-saving prowess of LED lighting.

10

Oct

You’ve come a long way, baby: Happy 50th LED!In celebration of the 50th birthday of the ‘magic one,’ GE Lighting sits down for a chat with Nick Holonyak, Jr., the University of Illinois Professor credited for inventing the light-emitting diode.

You’ve come a long way, baby: Happy 50th LED!
In celebration of the 50th birthday of the ‘magic one,’ GE Lighting sits down for a chat with Nick Holonyak, Jr., the University of Illinois Professor credited for inventing the light-emitting diode.

03

Jun

Physics-defying LEDs light the way to a brighter cleantech futureA light-emitting diode (LED) developed at MIT operates at 230-percent efficiency. That’s not a typo. LEDs will provide 70 percent of the world’s general lighting by 2020. That’s not a typo, either. The cleantech revolution has barely begun.

Physics-defying LEDs light the way to a brighter cleantech future
A light-emitting diode (LED) developed at MIT operates at 230-percent efficiency. That’s not a typo. LEDs will provide 70 percent of the world’s general lighting by 2020. That’s not a typo, either. The cleantech revolution has barely begun.

30

Nov

Times Square Starbucks features new LED lightingThe eco-friendly lighting in place at the Starbucks in Times Square mimics the look and feel of old Broadway.

Times Square Starbucks features new LED lighting
The eco-friendly lighting in place at the Starbucks in Times Square mimics the look and feel of old Broadway.