Daily Mail: The Queen’s estate has purchased the world’s biggest wind turbine in a bid to tackle climate change. The 100-metre high turbine will supply 7.5 megawatts of power to the national grid when it is installed off the North East coast of England. It is hoped the Queen’s involvement will speed up the development of specialist deep water turbines and encourage energy firms to invest in renewable energy. The Queen’s estate has bought the 100-metre off-shore wind turbine, which …