Policy Writings

• 2024. Securing the Seas. A Comprehensive Assessment of Global Maritime Security, Report, November 2024, Geneva: United Nations Institute for Disarmament Research (UNIDIR) (with C. Bueger and T. Edmunds)

• 2024. En søfartsnation uden sikkerhedsstrategi. Ræson, June 19, 2024 (with C. Bueger and T. Liebetrau). 

• 2023. Southeast Asian States Need to Tackle the Dangerous Shadow Tanker Activities in Their Waters. The Diplomat, September, 14, 2023  (with V. Rafaly) . 

• 2023. Missed opportunities? Enhancing maritime safety through the EU's 2023 maritime package. SafeSeas, August 25, 2023 (with C. Bueger and V. Rafaly). 

• 2023. The threat from Russia's fleet of 'ghost tankers'. EU Observer, April 13, 2023. 

• 2022. Russia’s using ‘dark’ tankers to evade Western oil sanctions. Washington Post/ Monkey Cage, December 8. 

• 2022. The West wants to cut off Russia’s oil revenues. Who will that hurt? Washington Post/ Monkey Cage, October 21. 

• 2021. Green Shipping Must Go Beyond Decarbonization. Maritime Executive, December 10 (with C. Bueger). 

• 2021. 22 countries opted to establish green shipping routes. That’s big news. Washington Post/Monkey Cage, November. 30, 2021

• 2021. UNCLOS in Action: Evidence on Maritime Security Challenges. Written evidence for the International Relations and Defense Committee. UK Parliament, November 10 (with S. Edwards, C. Bueger, T. Edmunds, B. Germond, and T. Liebetrau.). 

• 2021. Beyond competition: Why the United States must cooperate with China and Russia to ensure stability at sea, Center for International Maritime Security. November 9 (with C. Bueger). 

• 2021. The U.N. climate report is dire. So why are there no limits on maritime shipping’s carbon emissions? Washington Post/Monkey Cage, August. 12. 

• 2021. The Politics of Climate Change at the International Maritime Organization. Climate Solutions Lab White Paper. Providence: Brown University. 

Older policy writings

• 2015. Contemporary Piracy as an Issue of Academic Inquiry. A Bibliography, piracy-studies.org, Sept 2, with C. Bueger. 

• 2015. Beyond the Security Dilemma? De-Escalating Tensions in the South China Sea, Centre for International Maritime Security, August 6, 2015. 

• 2015. Liberal Cooperation vs. Great Power Rivalry? How the New U.S. Seapower Strategy Shapes World Order, piracy-studies.org, June 6, 2015. 

• 2014. “NATO after the Wales Summit: A Conference Report.” Cardiff: Cardiff University. 

• 2014. “African Approaches to Maritime Security,” Addis Ababa: Friedrich-Ebert Foundation.

• 2014. Into the Blue: Rethinking Maritime Security. A Workshop Report, piracy-studies.org. July 11 (with Christian Bueger). 

• 2014. Reclaiming the Maritime? The AU’s New Maritime Strategy, piracy-studies.org, February 2. 

• 2011. The Mogadishu Roadmap: Towards a joint Maritime Security Policy for Somalia? Piracy-studies.org, October 15, 2011. 

• 2011. Pirates, Terrorists and Local Politics: The Professionalization of Somali Piracy, next Episode?, piracy-studies.org, August 1. 

• 2011. A Reliable Ally in the Fight against Piracy? Introducing Puntland,” piracy-studies.org, October 11. 

• 2011. Strategische Fehler der Pirateriebekämpfung: Somalia, Peacebuilding und die Notwendigkeit einer umfassenden Strategie”, INEF Report 104/2011. Duisburg: Institute for Development and Peace (with C. Bueger and S. Werthes). 

• 2010. Guns, Fish and Puntland: The Professionalization of Piracy?, piracy-studies.org, March 17. 

• 2010. Contested Urban Land: Approaching Land-based Conflicts and Land Management in Urban Somaliland (Academy for Peace and Development), with M. Abdi, S. Tani and N. S. Osman. 

• 2009. Somali Piracy and the International Response: Trends in 2009 and Prospects for 2010, piracy-studies.org, March 6. 

• 2008. No More ‘Grass Grown by the Spear’: Addressing Land-based Conflicts in Somaliland. Hargeisa: Academy for Peace and Development (with U. Terlinden, M. Abdi, S. Tani and N.S. Osman.