Michael Bloomberg gifts Sierra Club $30M to fund anti-coal efforts
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.
Super-efficient solar power system sets record
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.
Transparent solar windows generate energy without obstructing the view
December 9, 2014, 8:51 p.m. by Bryan Nelson
Researchers have developed solar concentrators that can be placed on windows or cellphone screens.
SolarCity launches MySolar loan program for lease-shy homeowners
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.
Super-futuristic Hong Kong skyscraper is topped with rice paddy
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.'
Wash your whites in this human-sized hamster wheel
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.
A British supermarket that's powered by its own garbage
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.
Spring rewind 2014: 15 singular stories worth revisiting
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.
Trash-atlantic flights: British Airways announces waste-to-jet fuel scheme
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.
Turkish eco-city wants to heat homes with pistachio shells
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.
Which U.S. states produce the most energy? [Infographic]
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.
From fork to furnace: New York City to heat homes with table scraps
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.