Independent: In the next 12 years, 7,000 wind turbines will spring up across the hills and around the coasts of Britain, in a £60bn renewable energy programme outlined by Gordon Brown. They will be the highly visible symbols of what the Prime Minister called “the most drastic change in our energy policy since the advent of nuclear power” – a shift to producing at least a third of UK electricity from carbon-free renewable sources, compared to under 5 per cent today. The aim, set out in a …