The railroad industry says 2014 was its safest year on record -- but a close look at the numbers isn't going to make you feel very safe.
The Vortex bladeless turbine uses the wind to vibrate instead of spin. That makes it cheaper, quieter, and more reliable than a bladed turbine.
Developing countries are poised to lead the world on clean energy investment.
Bertha, the tunneling machine drilling beneath downtown Seattle, is falling apart.
Big Oil has launched a multimillion-dollar ad campaign arguing we don't need and can’t afford strong limits on ozone pollution. They're wrong.
The personal met the political in Seattle's Elliott Bay.
The Trans-Pecos pipeline would carry gas from Texas fields down to Mexico, right through the pristine Big Bend region.
Keurig Green Mountain -- maker of throwaway coffee pods in myriad tempting flavors -- is in the middle of a sales crisis.
3D printing human flesh to test cosmetics: Humane, horrifying, or both?