The popularity of drones is set to jump sky-high this Christmas, with nearly a quarter of consumers planning on buying one over the festive period. This burst of interest could potentially add another 1.5 million extra drones to UK airspace. Research from the Civil Aviation Authority (CAA) and its DroneSafe campaign has revealed that drones are one of this year’s hottest Christmas presents: with 63 per cent of drones bought set to be given as…