A pod of killer whales swimming in a fjord in Skjervoy, Norway. Photograph: Stephen Starr

At 480km inside the Arctic Circle we are further north than almost anywhere in Alaska. Our journey begins by heading out of Tromso, the so-called capi(...)

Environmental report card: The Arctic Ocean reached its peak ice cover in 2015 on February 25th – a full 15 days earlier than the long-term average and the lowest extent recorded since records began in 1979. Photograph: Clement Sabourin/AFP/Getty Images

The Arctic experienced record air temperatures and a new low in peak ice extent during 2015, with scientists warning that climate change is having “pr(...)