Replacing the turbines on existing wind farms with newer, more powerful and efficient models could double the amount of electricity produced by onshore wind energy in the United States – without ...

Add Yahoo as a preferred source to see more of our stories on Google. This message is still resonating, but not quite as clearly as it once did. While nearly seven out of ten Americans want more ...

Wind energy infrastructure doesn’t produce power if the air isn’t moving, and solar doesn’t generate power if the sun’s not out. But that doesn’t mean that either source of energy is "worthless" ...

CALGARY — ...

New research from the Netherlands showed that renewables and short-term storage can meet around 92.5% of Europe’s electricity demand in future energy scenarios, with the remaining 7.5% being satisfied ...

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 ...