Matt Baker and Julia Bradbury explore the South Downs, set to become the UK's 14th national park, to find out what difference its new status will make.

John Craven investigates why fishing quotas mean that for every cod we eat, another is thrown back dead into the sea, while down on the farm Adam Henson protects his new-born lambs against the threat of a potentially fatal disease: blue tongue.

Plant expert James Wong has some tips on beating hayfever and the country's only female water miller on why it's best to make flour the old-fashioned way. Show less