Orkney: Britain’s Green Islands With Julia Bradbury And Alex Beresford

8.30pm, ITV

Julia and Alex immerse themselves in island life but also learn about the progress Orkney residents are making towards a greener future. Julia takes to the waters of Scapa Flow in a kayak and travels on what may be the world’s first hydrogen-hybrid ferry, while Alex takes a speedboat out to sea to learn about revolutionary tidal turbine energy technology.