As the UK experiences its worst ever outbreak of the livestock disease bluetongue, we find out how government vets and scientists are coping as they deal with thousands of cases. The trade union which represents them says morale is low and the workload is mountainous. They say more long term strategic planning is needed and better pay to address staff shortages.

Scientists in Northern Ireland are using DNA methods to help identify the exact source of pollution in Lough Neagh. It's the fourth summer in a row that the lough has been blighted by blue green algae.

As the Bayeux Tapestry goes on display at the British Museum in London, BBC Radio 4 has a range of programmes inspired by the Normans. We hear from food producers in Normandy whose apple harvest and cheese making have been affected by drought and climate change.

Presenter = Caz Graham

Producer = Rebecca Rooney