Dear colleagues, We are pleased to announce that registration for the 2008 Berlin Conference on the Human Dimensions of Global Environmental Change/International Conference of the Social-Ecological Research Programme is open (http://web.fu-berlin.de/ffu/akumwelt/bc2008). The conference will be the eighth in the series of annual Berlin Conferences and will be held on 22-23 February 2008. These conferences usually drew between 300 and 350 participants from all over the world. Next year's conference will address the theme 'Long-Term Policies: Governing Social-Ecological Change'. We are fortunate to say that we received over 400 abstracts from 60 countries all over the world. Plenary speakers include John Schellnhuber, Potsdam Institute for Climate Impact Research and Chief Climate Advisor to the German Chancellor, and Oran Young, IHDP Chair and Bren School, Santa Barbara, Amory Lovins, Rocky Mountain Institute, Christian Schauer, Vice President, Products and Senior Risk Engineer, Swiss Re (AssTech GmbH), and Frieder Meyer-Krahmer, State Secretary at the Federal Ministry of Education and Research. Semi-plenary speakers or round table speakers include Miranda Schreuers, Freie Universität Berlin, Environmental Policy Research Centre (FFU), Martin Jänicke, Freie Universität Berlin, Environmental Policy Research Centre (FFU), Nick Ashford, Massachusetts Institute of Technology (MIT), Frank Biermann, Vrije Universiteit Amsterdam, Andreas Rechkemmer, IHDP Executive Director IHDP, Robert Lempert, RAND, Stefan Ulreich, E.ON, Ren Yong, Director of Environmental Policy Research at the State Environmental Policy Administration, Qi Ye, Public Policy Institue at Tsinghua University, Environmental Policy and Management, Norichika Kanie, International Relations at the Department of Value and Decision Science, Graduate School of Decision Science and Technology, Andrew Ross, The Fenner School of Environment and Society, Louis Lebel, Unit for Social and Environmental Research (USER), Joyeeta Gupta, Vrije Universiteit, IVM, Thomas Jahn, Institute for Social-Ecological ResearchJoske F.G. Bunders, Athena Institute for Research on Innovation and Communications, Detlef Sprinz, Potsdam Institute for Climate Impact Research and University Michigan, Klaus Jacob, Conference Chair, Freie Universität Berlin, and Bernd Siebenhüner, University of Oldenburg. On the conference website (http://web.fu-berlin.de/ffu/akumwelt/bc2008/index.htm) you will find detailed and regularly updated information on the 2008 Berlin Conference including travel and hotel information, and the conference programme. We would be pleased to welcome you in Berlin! Registration is open, please see http://web.fu-berlin.de/ffu/akumwelt/bc2008/registration.htm. We are looking forward to meeting you in Berlin in February! With best regards Marlen Arnold, Ruben Zondervan, Eike Zaumseil Conference Managers