September 28, 2015, 2:24 p.m. by Russell McLendon
The oil giant has spent billions on a quest to drill off Alaska, but now it's abruptly putting those plans on ice.
India gets world's first 100% solar-powered airport
August 25, 2015, 1:56 p.m. by Sami Grover
Cochin, Kerala boasts a 12 MW solar farm. What better place to spread energy awareness?
Help crowdfund the world's first steam ring generator
August 21, 2015, 12:49 p.m. by Matt Hickman
Professional envelope-pusher Bjarke Ingels launches a Kickstarter campaign. Will other top architects follow suit?
Google's 'Project Sunroof' offers new take on home solar potential
August 18, 2015, 4:44 p.m. by Michael d'Estries
Want to see if your home is a good fit for solar? Now it's easy to find out.
Does canning or freezing have a smaller footprint?
August 11, 2015, 12:11 p.m. by Lloyd Alter
There are a lot of factors that complicate what seems like a simple question.
Denmark just got 140% of its electricity from wind. But what does that mean?
July 15, 2015, 12:37 p.m. by Sami Grover
Unusually high winds and low demand lead to a significant excess in wind power. What happened to all that electricity?
Solar Impulse soars to new world records
July 6, 2015, 9:49 a.m. by Elizabeth Goldbaum, LiveScience
The solar-powered plane is halfway through its planned trip around the world.