Efficiency

The electronic engineer shared a Nobel Prize for developing the first blue LED 25 years ago, but he tells BusinessGreen the potential of energy efficient lighting is far from fully realised

Sadiq Khan launches next phase of wide-ranging new plan to help fuel poor households cut bills and ramp up solar deployment across the capital

Analysis of green certified buildings reveals they have provided around $6bn in health and climate benefits on top of $7.5bn of energy savings

Building science body has teamed up with EDF, BT, and Telefonica to launch a new centre for smart home research

Maria Connolly of law firm TLT explains why new energy efficiency rules for landlords are only heading in one direction

New skyscraper boasts the largest commercial "blackwater" recycling system in the US, delivering a 76 per cent reduction in its water footprint

Major new smart lighting initiative expected to slash energy bills and carbon emissions

State brings in new federal rules two years ahead of schedule in a move that could see California's businesses and consumers save $1bn every year on energy bills

Government consults on removing exemption for landlords unable to access 'no cost' financing, but campaigners remain frustrated at decision to cap costs at £2,500

AirEx helps householders to reduce their heating energy demand without compromising indoor air quality