Your food waste could be used to make tougher solar panels, better batteries, sustainable condoms, and more.
The company behind the long-stalled Keystone project wants to build a big new cross-border pipeline and get into the oil-train business.
Mall toilets can't tell a butt from a "but I'm not finished yet!"
Clean energy advocates often rage against the behavior of power utilities. It's time to look beyond them to the regulators who shape their decisions.
ALEC is helping local lawmakers fight the Clean Power Plan.
Can three young, tech-savvy writers pull off a tweetstorm on their antiquated clamshell phones? Find out.
Shell and ExxonMobil ignored for decades that drilling in Europe’s largest gas field was triggering quakes.
A Baltimore County committee voted to end its contract with the company planning to build a waste-to-energy facility.
A reader wonders whether single-serving coffee can be green. Umbra brews up an answer.
We've devised the world's shortest survey to find out what kind of actions our readers are taking. You know you want to.