Telegraph: Critics say the Government’s Renewable Energy Strategy fundamentally underestimates how many wind turbines will be needed to meet its ambitious targets for a reduction in the use of fossil fuels. Ed Miliband, the Energy Secretary, last week announced that planning rules would be relaxed to make it easier for an extra 3,500 onshore turbines to be built as part of a £100 billion plan to generate more energy from wind power by 2020. Ministers want to increase the amount of power …