ecosystems. The campaign integrates ship-based observations from the German research icebreaker RV Polarstern (Expedition BeauPAIR) and the Canadian icebreaker CCGS Amundsen, complemented by airborne surveys [...] global climate feedbacks, and the livelihoods and food security of Inuvialuit communities. RV Polarstern in the Arctic Ocean (Photo: Esther Horvath) From the boreal forest and tundra to the deep ocean [...] Thomas Krumpen Gesine Mollenhauer Anne Morgenstern Project website: www.arcticpulse.ca The Polarstern cruise The main goal of the BeauPAIR campaign (PS161 and PS162) is to assess the effects of hu