Plot: Julia Bradbury heads to Ennerdale in the Lake District to find out what is being done to make this wild and wonderful landscape wilder still, while Matt Baker gets to grips with hound-trailing, one of Cumbria's oldest and most popular sports. John Craven investigates predictions that we are going to need 60,000 new farmers and workers to keep British agriculture afloat, and looks at whether anyone can become a farmer