Independent (UK): Revolutionary plans for a massive expansion of offshore wind farms have been unveiled in a £100bn project designed to usher in a new era of green energy for Britain. A quarter of the country’s electricity needs would be met through wind power by 2020 under the strategy, with the construction of 6,400 turbines within nine sites dotted around the coast. The programme amounts to the biggest energy supply shake-up since the discovery of the North Sea oil and gas fields more than 40 years …