Matt and Ellie are in Wales, exploring how industry and conservation are working together to safeguard important habitats at Lake Vyrnwy. Ellie gets hands-on with woodland management in a bid to protect a rare day-flying moth, while Matt discovers the fascinating story of the Bank of the Black Ox. After a disappointing harvest, Adam hopes some new crops will make for an improved yield, and Charlotte investigates concerns that the UK’s environmental watchdogs aren’t doing enough to protect our wildlife and their habitats.