The idea of using vertical wind turbines to produce large amounts of energy is not new, but they are hard to build. Now, a Swiss inventor has developed a version that's quieter and better for the environment than conventional wind turbines.
Investments in US offshore wind projects over the next decades are set to catch up with US offshore oil and gasoline investments. In only four years the sector has grown from scratch to a big deal.
Communities in Oaxaca say they were hoodwinked into approving wind parks that pollute their land. As another development looms, they're hoping a legal injunction puts power back in their hands.
Wind power is Germany's most important source of clean energy. But wind turbines have become contentious here, as more and more people protest against them being built near where they live.
The German government and wind energy industry representatives have been meeting recently to hammer out a way of reinvigorating the sector. But the future of this once thriving industry is blowing in the wind.
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