From the early 1990s, Tunander wrote on military strategy, confidence-building measures,O. Tunander, Cold Water Politics: The Maritime Strategy and Geopolitics of the Northern Front (London: Sage, 1989); ‘Four Scenarios for the Norwegian Sea', in Kari Möttölä, ed., The Arctic Challenge – Nordic and Canadian Approaches to Security and Cooperation in an Emerging International Region (Boulder: Westview Press, 1988); "Naval Hierarchies – European ‘Neutralism' and Regional Restraint at Sea", in Sverre Lodgaard, ed., Naval Forces – Arms Control and Confidence-Building (London: Sage, 1990). region-buildingO.S. Stokke and O. Tunander eds., The Barents Region: Regional Cooperation in Arctic Europe (London: Sage, 1994); O. Tunander, "Geopolitics of the North, Geopolitik of the Weak – A Post-Cold War Return to Rudolf Kjellén", Cooperation & Conflict, vol. 43, no. 2, June, 2008. and US remaking of world order.O. Tunander, "Bush's Brave New World: A New World Order - A New Military Strategy", Bulletin of Peace Proposals (later Security Dialogue), vol. 22, no. 4, 1991 He headed a Nordic study group, "A new Europe", from mid-1980s with Ole Wæver, Iver B. Neumann, Sverre Jervell, and Espen Barth Eide. Robert Bathurst and Tunander initiated Norwegian-Russian dialogue seminars in the early 1990s. In 1994, he co-edited a volume on the post-Cold War regional cooperation in Arctic Europe, The Barents Region with contributions by Norwegian and Russian foreign ministers. Tunander wrote contributions about Northern Europe, Nordic Cooperation, and Scandinavism published by the Norwegian Ministry of Foreign Affairs and the Swedish Olof Palme International Center.Tunander, "Nordic Cooperation", Odin, (Information from the Government and Ministries, Norwegian Ministry of Foreign Affairs, Oslo 1999); Tunander, "Norway, Sweden and Nordic Cooperation" in Lassi Heininen and Gunnar Lassinantti, eds, The European North – Hard, Soft and Civic Security (Stockholm: The Olof Palme International Center / Arctic Centre, University of Lapland 1999), pp. 39-48; Tunander, "Norway's Post-Cold War Security – Between Friend and Foe, or between Cosmos and Chaos", pp. 48-63 in Anders Orrenius & Lars Truedsson, Visions of European Security Policy – Focal Point Sweden and Northern Europe (Stockholm: The Olof Palme International Center 1996). He contributed to the Russian journal International Affairs. Tunander wrote and edited two Swedish books on power, identity, and territory and co-edited Geopolitics in Post-Wall Europe (1997). After 2000, he organized Nordic-Chinese dialogue conferences with the China Institute of International Studies and the Nordic peace research and international affairs institutes. He also participated in a Washington dialogue.
