Solar Impulse 2 succeeded in flying around the globe, but it wasn't easy.
A new report explores the possibilities of using waste of all sorts—human, animal, and chemical—to power heating and transport.
A program funded by ARPA-E has announced plans to test a 650-foot wind turbine blade concept.
Two popular Instagram photographers set out to document what wind power looks like in America right now.
Twenty-four states are turning on President Barack Obama’s ambitious plan to curtail carbon pollution from power plants.
That's “a remarkable shift in a very limited period of time.”
As an important tax credit fades, it's imperative that companies like SolarCity make big moves to help solar survive.
It was really just a matter of testing the emissions from moving cars vs. cars on rollers.
The man who predicted the clean energy boom of the last ten years outlines how the world can transition to 100% clean power.
According to a new report, a futuristic industry you had no idea existed will soon be big business.