An idea from the past may make a Severn barrage practical – The Economist

An idea from the past may make a Severn barrage practicalThe EconomistCOMPARED with solar and wind energy, which are booming, tidal power is an also-ran in the clean-energy stakes. But if you did want to build a tidal power station, there are few better sites than the estuary of the River Severn, in Britain. Its tidal

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