In a series of essays next week for Radio 3, Bathsheba Demuth, author of Floating Coast, a prize-winning environmental history of the Bering Strait, looks into the interconnectedness of people and animals in the Arctic landscape. Postcards from the Floating Coast starts at 10.45pm on Monday. In the first episode, Demuth examines “the shifting historical relationship between humans and dogs and the impact of that intimacy on commerce and imperial aspiration”.