Facebook is putting an amazing green roof on its new building in Menlo Park. It's going to be big and elaborate. You can only see it if you get a job at Facebook.
A reader wonders which type of lightbulb is greenest. Umbra sheds some light.
You know that ammonia plant that blew up in Texas? The U.S. could soon be home to a lot more of those, thanks to low natural gas prices.
Wisconsin added just 18 megawatts of wind power capacity in 2012, compared with more than 100 in Michigan and more than 300 in Ohio.
You've seen our illustrated history of the Keystone XL pipeline. Now, you can enjoy it with snazzy sound effects.
Sens. Jeanne Shaheen and Rob Portman have a new bill that aims to improve efficiency in commercial buildings, manufacturing, and the federal government.
These bills, which hamstring activists who try to document farm-animal abuse, are spreading across the country, but California refuses to play along.
A fertilizer plant exploded in rural Texas on Wednesday evening, killing at least five people and injuring more than 160.
ExxonMobil spilled some 200,000 gallons of oil in Mayflower, Ark. But don't be too harsh on the company, says Rep. Markwayne Mullin.