If you were there, you might have caught a glimpse of some of the amazing displays at the GE Works Centre, including a hologram projection display about the energy-efficient relamping of the Tower Bridge, or a two-floor-high lighting installation powered by social-media chatter.

FORBES: Tradition Meets Experimentation In GE's Creative-Agency Mix

The LED-lighting startup Bridgelux this morning unveiled a deal with a Chevron unit to finance the installation of LED lighting by city governments.

FORBES: Connect

Although demand for LED technology was growing globally, we found that market potential in Russia was next to zero because out-dated sanitary regulations and construction codes prohibited the installation of LED lighting in houses, offices and other places of residence.

FORBES: Russian High Tech in Focus at St. Petersburg Forum

About once every month, the group schedules a large "operation" in which dozens of volunteers descend upon a local neighborhood to do massive group service, such as yard cleanup or a sweeping installation of energy-efficient lighting.

CNN: Fed-up officer says 'enough,' starts senior outreach

We just have to help businesses and homeowners put in place the installation, the energy-efficient windows, the energy-efficient lighting.

WHITEHOUSE: America��s Energy Security