Look up in the sky, it's a bird, it's a plane, it's ... a 20,000 cubic-meter power-generating airship, floating 6,560 ft (2,000 meters) above the ground. Introducing the S2000 stratospheric airborne ...

Perhaps you’ve seen them standing high on the horizon, rotating at speeds that appear as sluggish. And they seem to be popping up almost everywhere yet unexpectedly as you drive somewhere new. They ...

An exceptionally odd clean energy project backed by Bill Gates has broken ground near Rock River, Wyoming, where a wind turbine that turns convention on its head will get a chance to prove its ...

Wind power has always been a trade off between clean energy and the visual, acoustic, and ecological cost of giant spinning blades. A new generation of radical designs promises something different, ...

Forbes contributors publish independent expert analyses and insights. Llewellyn King has been a player in the energy space since 1970. Jimmy Dean, the country musician, actor and entrepreneur, ...