Tilting at Windmills

ere in Europe, the general feeling about green energy from off shore wind turbines has moved on after an initial surge of general skepticism. Concerns raised over cost, threats to seabirds, wind interference and the rest have to some extent been answered, and it’s hard to argue with the bottom line. Take the London Array as an example. This, the world’s largest off shore wind farm of 175 turbines, spreads its wings far out to sea off the Thames estuary. Its average delivery is around 1 gigawatt per day, and