WWF: The majority of householders in Scotland will be able to install solar panels and other energy generating equipment without planning permission from now on, although government ministers have yet to decide whether to exempt wind turbines and air-source heat pumps. Ground-source and water-source heat pumps will get the green light, as will flues for biomass systems which use organic materials. The move was announced by finance secretary John Swinney, who said the concession would cut …