Helen Mark visits 50 square miles that were neither England nor Scotland. The Debatable Lands, between Carlisle and Gretna, were home to untameable crime families that petrified the most powerful of Lords and Kings. For hundreds of years governments in London and Edinburgh left the region to its...

Martha Kearney follows the River Ouse, from the High Weald to the Sussex coast and - finally - into the sea itself. Along the way, she discovers how one of the UK's largest nature recovery projects is taking root. The project is called 'Weald to Waves' - it's a wildlife corridor that has been...

For young carers, it can be difficult to find time to get away from home and enjoy the great outdoors. In this programme Helen Mark meets a group of 12-13 year-olds who all have caring responsibilities for a family member at home, but who are spending a night camping out on Dartmoor. She joins...