Look! Up in the sky! It’s a bird, it’s a plane, it’s an arborist with a drone! With the flood of unmanned aerial vehicles entering the commercial market, UAVs are already being put to use in agricultural, and arboricultural settings. From surveying and inspection, to pin-point spraying, Dan Staley and Alex Bilous takes a look at current and future use of drones in the green industry. (A,U,M,Bp)