Prince William, Sir David Attenborough and astronaut Naoko Yamazaki hear the personal stories of people who are directly affected by air pollution and look at possible solutions.
Science in Antarctica will shut down for the winter. Scott Base has plenty of logistics to manage in order to send teams out to finish their missions for the season. The USS Coast Guard crew is challenged by their aging ship as they try to finish cutting a channel in the ice before they escort the ship in. The Mt. Erebus team struggles to salvage as much data as they can before they go home.
Hugh Fearnley-Whittingstall and Anita Rani explore where this gigantic problem is coming from, and what we can all do to try and solve it. Hugh goes on the trail of the plastic that does get recycled Malaysia has become one of the biggest importers of British waste plastics. He travels to Malaysia to try and find out what is happening to it all, and what he sees shocks him to the core. Great piles of unsorted British plastics have been left to rot on illegal dumpsites with much of it sat near split UK council recycling bags.