Add Yahoo as a preferred source to see more of our stories on Google. Skeptics of wind turbines have long argued that the technology threatens bird and bat populations because of the rapidly rotating ...

My years of hands-on testing show that while solar energy is straightforward, portable wind turbines require constant ...

As wind power grows around the world, so does the threat the turbines pose to wildlife. From simple fixes to high-tech solutions, new approaches can help. By Katarina Zimmer / Knowable Magazine ...

Norway's World Wide Wind has a radically different take on offshore wind power. These floating, vertical-axis wind turbines feature two sets of blades, tuned to contra-rotate – and they promise more ...