April 8, 2015, 11:28 a.m. by Michael d'Estries
Billionaire philanthropist and former mayor says he's 'doubling down' on efforts to reduce carbon emissions and to replace half the nation's coal with clean energy by 2017.
December 16, 2014, 12:11 p.m. by Elizabeth Palermo, LiveScience
By building the system with commercially available materials, researchers kept costs down and showed how the system could be produced outside of a lab.
December 9, 2014, 8:51 p.m. by Bryan Nelson
Researchers have developed solar concentrators that can be placed on windows or cellphone screens.
October 10, 2014, 11:11 a.m. by Matt Hickman
Homeowners with top-notch credit in California, Arizona, New Jersey and 5 other states will be eligible for direct loans from Lyndon Rive's PV-installing behemoth.
August 19, 2014, 2:57 p.m. by Matt Hickman
Uncle Ben meets 'Blade Runner' in this wild vertical farming concept that also incorporates aquaculture, wind energy and 'algae facades.'
August 15, 2014, 6:15 p.m. by Matt Hickman
Simultaneously burn calories, cut back on your utility bills and do the laundry with a conceptual washing machine-treadmill hybrid dubbed Wheel.
July 23, 2014, 7 p.m. by Matt Hickman
Through a pioneering waste-to-energy scheme, the spoiled stock at a Sainsbury's superstore will be used to keep the lights on and the refrigerated cases humming.
June 20, 2014, 6 p.m. by Matt Hickman
From pistachio shell-powered eco-cities to tiny houses on the moon, this spring certainly wasn't short on starry-eyed intrigue and bold ambition.
May 3, 2014, 12:30 p.m. by Matt Hickman
The U.K. carrier partners with an American biofuel firm to build a facility where the contents of Londoners' rubbish bins will be converted into jet fuel.
April 21, 2014, 4:31 p.m. by Matt Hickman
From one of the world's top pistachio-producing regions comes a not-too-entirely nutty idea: Burning waste shells to heat buildings.
February 18, 2014, 12:25 p.m.
As the United States seeks to rely less on imported oil, a few states are leading the charge in the renewable energy revolution.
January 2, 2014, 5 p.m. by Matt Hickman
Truckloads of organic food waste will help to boost production of methane-rich biogas at the city's largest wastewater treatment plant — biogas that will be purified and used to heat homes.