Arctic Frontiers (AFT) holds its 5th annual conference in Tromsø from 23-29 January 2011, Norway, with the title "Arctic Tipping Points".    The scientific section of AFT 2011 takes place from 26-28 January 2011, and is given the title:    "The Arctic in the Earth System perspective: the role of tipping points "   The scientific section is divided into 3 parts: 1. A joint and multi disciplinary first day with 10 invited speakers ending with a panel and plenum debate; 2. Four parallel sessions (included a poster session) on the second and third day; 3. A summary session ending with a plenum debate   The parallel sessions address 4 connected, interwoven and interdisciplinary themes: .          Sea ice and oceanographic perspectives .          Marine ecosystems and fisheries .          Socioeconomic and institutional perspectives .          People of the North   Interested scientists are invited to submit abstracts to one of these four sessions for both oral and poster presentations.    Deadline for submission of abstracts: 25 october 2010   For more information download the complete Call for Papers and the abstract submission form on the AFT homepage www.arcticfrontiers.com.     With kind regards, Arntraut Götsch, conference secretary