but the sewage problem comes from different sources and the answer will be four different organisations to work together. the nutrients have probably been discharged over decades. it is a case of continual improvements and ongoing work and then looking to the future. it is notjust local people, it is a special part of the world for millions from all around the world. it is a unesco world heritage site. it is known for its natural beauty and now we have to protect that. that was judy hobson reporting from the lake district. pigs have been deployed by one of europe s busiest airports to keep geese away from the farmland in between the runways. but the team drafted in by amsterdam s schiphol airport won t be using scare tactics. the bbc s correspondent in the netherlands anna holligan has been to see them in action. are pigs the new scarecrows?