How farmers and water companies are working together to tackle the water quality problem.
Helen Mark visits Heathrow to discover how the airport encourages biodiversity.
Professor Trevor Cox explores the world of sonic design applied to our outdoor spaces.
BBC Radio 4 Extra
Drought in Queensland, Australia where farmers have endured four failed wet seasons.
Kate Humble presents the stone curlew.
Brexit and science, new brain map, cell therapy for Parkinson's disease, Viking on Mars.
The EU pledges 500m Euros in aid for struggling dairy farmers - how should it be spent?
Kate Humble presents the stock dove.
1/4 A heady combination of maths, science and comedy with Festival of the Spoken Nerd.
6/8 Michael Blastland explores the quirky ways in which we think, behave and make decisions.