Environment Elisabeth Rosenthal and Felicity Barringer Light emitting diodes could decrease carbon dioxide emissions by up to 50 per cent in just over 20 years
TO CHANGE the bulbs in the 60-foothigh ceiling lights of Buckingham Palace

It is not an exaggeration to say that the team that President Barack Obama appointed to promote his green agenda is nothing short of outstanding

In the tense debate between energy security and environmental sustainability, Canada

The real battle, over health care, is just beginning

Power generation from renewable sources such as wind turbines, solar cells and biomass plays a small but important part in satisfying total electricity demand around the world, and is growing at an exponential rate thanks to generous public subsidies and government support.

Every household in Britain should by 2020 be able to cut its energy bills and carbon footprint using "smart meters" and handheld devices to control energy use closely, the government said on Monday.

A bigger role must be found for improving energy efficiency in any new U.N. deal aimed at reducing greenhouse gas emissions, a leading China-based project developer said on Thursday.

A proposed UK scheme designed to force some 5,000 businesses to cut carbon emissions by reducing their energy consumption gives companies no reason to buy renewable energy, critics said on Friday.

"Businesses need greater incentives to demand increased renewable power in their fuel mix, not less," said Jo Butlin, vice president at UK renewable power supplier Smartest Energy.