Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet Initiative has ...
Morning Overview on MSN
This radical wind turbine design could quietly change the entire world
Wind power has always been a trade off between clean energy and the visual, acoustic, and ecological cost of giant spinning ...
Modern-day wind turbines are constructed using mostly concrete and steel, topped by the fiberglass composite blades mounted to the nacelle that houses the gearbox and generator, along with much of the ...
Engineers at Iowa State University are working on a way to make wind turbine towers taller by building them from concrete instead of the steel currently used. Increasing tower height to about 328 feet ...
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