The island of Juist off Germany’s North Sea coast is testing out a new idea for alternative energy: self-sufficient wind-powered street lamps, which could be a model even for developing countries. The blustery shores of Juist in the North Sea certainly have no shortage of wind, which has given the island reason to launch a new energy-saving pilot project. In the next two weeks, the island will be setting up the first wind-powered street light created by a designer based in Schleswig-Holstein, Peer Langemak, a spokesman from Juist told The Local on Monday. Langemak and his team “noordforce” spent a...