Margaret Heffernan considers the role of activism in the arts

Hilary Davies talks about sites of historic interest in the Dordogne valley and beyond, and asks what lessons we can learn from palaeolithic societies

Professor Mike Hulme discusses a variety of narratives concerning climate change

Dame Professor Julia Slingo discusses the impact of humanity on planet earth

Julie Gittoes, Andrew Kwapong and Graeme Mortimer Evelyn discuss Graeme's work at St Francis at the Engine Room

Paula Gooder examines the memorials and artwork in St Paul's Cathedral in the light of the contested history debate

Caroline Levitt discusses the murals of Jean Cocteau in the Église Notre Dame de France, Leicester Place

Ayla Lepine discusses her work at the National Gallery intersecting art and religion

Jamie Hawkey discusses the art of Westminster Abbey and its role in the curation of national memory

Neil MacGregor discusses the ethics of places of worship charging for entry