DEFINITION: A semi-conductor device that emits light energy when an electrical current is passed through it. LED lights are an environmentally-friendly alternative to traditionally incandescent lighting, using around one third of the energy, and can have life spans of up to 25 years.
In practice: Guadalajara's 12,000 LED street light retrofit from Philips
Philips Lighting has this week completed a LED retrofit across the Spanish City of Guadalajara that will help the city council realise huge energy efficiency and carbon savings.
In practice: Unite Students' 'Gateway' to an energy-efficiency retrofit
By joining the RBS Innovation Gateway, Unite Students gained access to a wider scope of innovative energy-efficiency solutions - some of which have been retrofitted at the Sidney Webb House in London.
Green buildings focus helps Heathrow hit 2020 carbon reduction target
The installation of more than 100,000 LEDs and a rooftop solar system helped Heathrow Airport achieve a 14% year-on-year reduction in carbon emissions from its buildings, enabling the business to hit a target that was set for 2020.
Sainsbury's commits to 100% LED lighting by 2020
Sainsbury's has become the first supermarket in the UK to make a commitment to switch to 100% LED lighting by 2020.
Shopping centre owners launch innovation lab after closing in on CSR targets
Shopping centre owner intu has launched a new Green Lab to identify new solutions to reduce environmental impacts, as outlined in a sustainability report that announced the firm had reached a zero-waste-to-landfill milestone.
Philips: Smart lighting systems can champion the circular economy
EXCLUSIVE: Connected lighting systems can act as the "backbone" of the smart buildings transition to promote resource and energy efficiency, the senior director of sustainability at Philips has said.
Sustaining the thrill: How Merlin Entertainments is conjuring up big carbon cuts
EXCLUSIVE: International theme park operator Merlin Entertainments has achieved almost half a million pounds in energy savings over the past two years following the deployment of 'sustainability champions' across the business to drive behaviour change.
Sustainability unleashed: How Pets at Home is delivering huge energy savings
EXCLUSIVE: Retailer Pets at Home has recorded energy savings of 32% across its stores after a "game-changing" LED lighting project was embraced across the entire business, the firm's energy manager has revealed.
Lightbulb moment: UK streetlights get innovative green makeover
Streetlights connected to electricity networks in Kensington and Chelsea will now act as charge points for electric vehicles (EVs), while a Lanarkshire-based IT specialist has agreed to fund development of wind-harvesting lampposts in the UK.