Reuters: Britain will fall woefully short of its own renewable energy targets unless the government allows wind farms to be built closer to shore, the Carbon Trust said in a report on Tuesday. Only a quarter of the wind power capacity Britain needs to meet its target of getting 15 percent of energy from renewable sources by 2020 will be built unless controls on offshore turbines are relaxed to cut costs. The report “Offshore wind: big challenge, big opportunity” also calls on the …