The tower crane is celebrating its 100th birthday. The first one was built with the help of the company Wolffkran from southern Germany.
Some scientists say wind turbine areas are like artificial reefs, creating sanctuaries for marine life. But plenty of questions regarding their environmental impact remain.
We are most sensitive to sounds when they disturb us. This is when sound becomes noise, knocking many species — on land, underwater and in the air — off balance. How big a problem is it?
The Netherlands has opened the world's second largest offshore wind farm, with 150 turbines spinning in action in the North Sea, substantially reducing the country's carbon footprint and enhancing its energy security.
The world's largest electric utility aims to acquire a stake in 50Hertz — a joint venture which owns a huge chunk of the German electricity grid. The plan is likely to stir controversy over China's influence.
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