Editorial Activity

Since 2018     Member of the Editorial Board, Energy & Environment (ISSN: 0958-305X; Thousand Oaks, CA: SAGE Publishing)

Since 2007     Editor-in-Chief, Carbon & Climate Law Review (CCLR) (ISSN: 1864-9904; Berlin: Lexxion)

2007              Executive Editor, Journal for European Environmental & Planning Law (JEEPL) (ISSN: 1613-7272; Leiden: Brill Nijhoff)

2001-2003     Editor, Finnish Yearbook of International Law (FYBIL) (ISSN: 0786-6453; Leiden: Brill Nijhoff)

Referee Activity

Research Proposals: Agence Nationale de la Recherche, France; Agencia Estatal de Investigación, Spain; Einstein Foundation, City of Berlin, Germany; European Research Council, European Union; Flemish Research Council, Belgium; UK Research and Innovation, United Kingdom.

Referee for Cambridge University Press; Edward Elgar; Elsevier Press; Oxford University Press; and various peer-reviewed journals, including: Carbon Management; Climate and Development; Climate LawClimate PolicyClimatic Change; Energy & EnvironmentEnergy Policy; Energy Research & Social Science; Environmental and Resource EconomicsEnvironmental Economics and Policy StudiesEnvironmental Law Review; Frontiers in Energy; Greenhouse Gas Measurement & Management; International & Comparative Law Quarterly; International Environmental Agreements: Politics, Law and EconomicsInternational Journal of Marine and Coastal LawInternational Studies PerspectivesJouleJournal of Cleaner Production; Journal of Energy & Natural Resources LawMcGill International Journal of Sustainable Development Law and Policy; Mitigation and Adaptation Strategies for Global Change; Nature SustainabilityOne EarthOxford Journal of World Energy Law & Business; Quantitative Finance and Economics;Review of European, Comparative and International Environmental LawScienceSustainability; and Transnational Environmental Law.

Monographs and Edited Volumes

Journal Articles (Selection)

  • “Border Carbon Adjustments and Industrial Competitiveness in a European Green Deal.” 21 Climate Policy (2021): 1-11 (online first; with Stuart Evans, Robert A. Ritz, and Paul Sammon).
  • “De-Risking Renewable Energy Investments in Developing Countries: A Multilateral Guarantee Mechanism.” 4(12) Joule (2020): 2627-2645 (with David Matthäus).
  • “COVID-19: Clinching the Climate Opportunity.” 3(4) One Earth (2020): 400-404 (with Christian Stoll).
  • “The Legal and Economic Case for an Auction Reserve Price in the EU Emissions Trading System.” 26 Columbia Journal of European Law (2020): 1-34 (with Carolyn Fischer, Leonie Reins, Dallas Burtraw, David Langlet, Åsa Löfgren, Stefan Weishaar, Lars Zetterberg, Harro van Asselt, and Kati Kulovesi).
  • “Teaching Climate Law: Trends, Methods, and Outlook.” 32(3) Journal of Environmental Law (2020): 417-440 (with Harro van Asselt, Kati Kulovesi and Elisa Morgera).*
  • “Governing Cooperative Approaches under the Paris Agreement.” 46(3) Ecology Law Quarterly (2020): 765-828.
  • “Global Environmental Law: Context and Theory, Challenge and Promise.” 8(3) Transnational Environmental Law (2019): 399–403 (with Kati Kulovesi and Elisa Morgera). https://doi:10.1017/S2047102519000347
  • “Designing Border Carbon Adjustments for Enhanced Climate Action.” 113 American Journal of International Law (2019): 433-481 (with Harro van Asselt, Kasturi Das, Susanne Dröge and Cleo Verkuijl).
  • “Making the International Trading System Work for Climate Change: Assessing the Options.” 49 Environmental Law Reporter (2019): 10553-10580 (with Kasturi Das, Harro van Asselt and Susanne Droege).
  • “Linking Heterogeneous Climate Policies (Consistent with the Paris Agreement).” 48 Environmental Law (2018:4): 647-698 (with Gilbert E. Metcalf and Robert N. Stavins).
  • “Negotiating the Paris Rulebook: Introduction to the Special Issue.” 12 Carbon & Climate Law Review (2018:3): 173-183 (with Harro van Asselt and Kati Kulovesi).
  • “Beat Protectionism and Emissions at a Stroke.” 559 Nature (2018): 321-324 (with Harro van Asselt, Kasturi Das and Susanne Dröge).
  • “Carbon Pricing and Deep Decarbonisation.” 121 Energy Policy (2018): 185-189 (with Endre Tvinnereim).
  • “Carbon Pricing and the 1.5°C Target: Near-Term Decarbonisation and the Importance of an Instrument Mix.” 12 Carbon & Climate Law Review (2018:1): 50-61 (with Endre Tvinnereim).
  • “Linking Climate Policies to Advance Global Mitigation.” 359 Science (2018:6379): 997-998 (with Gilbert E. Metcalf and Robert N. Stavins).
  • “The Trade System and Climate Action: Ways Forward Under the Paris Agreement.” 17 South Carolina Journal of International Law and Business (2017): 195-276 (with Susanne Dröge, Harro van Asselt and Kasturi Das)
  • “A New Direction for US Climate Policy: Assessing the First 100 Days of Donald Trump's Presidency.” 11 Carbon & Climate Law Review (2017:1): 3-24.
  • “Ambitious Climate Policy through Centralization? Evidence from the European Union.” 17 Climate Policy (2017: Supplement 1): S32-S50 (with Camilla Bausch and Benjamin Görlach).
  • “The Comparative Law of Climate Change: A Research Agenda.” 24(3) Review of European, Comparative and International Environmental Law (2015): 341-352.
  • “Frameworks for International Climate Cooperation: Assessing the Alternatives.” 4 Journal of International Organizations Studies (2013:1): 13-35.
  • “Between Twilight and Renaissance: Changing Prospects for the Carbon Market.” 6 Carbon & Climate Law Review (2012:4): 277-290.
  • “Beyond Déjà Vu: Opportunities for Policy Learning from Emissions Trading in Developed Countries.” 6 Carbon & Climate Law Review (2012:4): 291-305 (with Sonja Klinsky and Andreas Tuerk).
  • “How Germany Became Europe’s Green Leader: A Look at Four Decades of Sustainable Policymaking.” 2 Solutions (2011): 51-63 (with Ralph Buehler, Arne Jungjohann, and Melissa Keeley).
  • “Improving the Clean Development Mechanism Post-2012: A Developing Country Perspective.” 4 Carbon & Climate Law Review (2010:1): 76-85 (with Nhan T. Nguyen, Minh Ha-Duong, and Sandra Greiner).
  • “Linking Carbon Markets: Concepts, Case Studies and Pathways.” 9 Climate Policy (2009): 341-357 (with Andreas Tuerk, Christian Flachsland, and Wolfgang Sterk).
  • “Linking Existing and Proposed GHG Emissions Trading Schemes in North America.” 9 Climate Policy (2009): 373-388 (with Erik Haites).
  • “Mechanisms for Linking Emissions Trading Schemes.” 9 Climate Policy (2009): 169-184 (with Erik Haites).
  • “From Autonomy to Integration? International Law, Free Trade and the Environment.” 77 Nordic Journal of International Law (2008): 253-273 (with Anja Lindroos).
  • “Global Climate Change and the Fragmentation of International Law.” 30 Law & Policy (2008): 423-449 (with Harro van Asselt and Francesco Sindico).
  • “Das zukünftige Klimaschutz-Regime der Vereinten Nationen: Ein Wegweiser durch die Verhandlungsarchitektur.” 5 Europäisches Umwelt- und Planungsrecht (6:2007): 259-266 (with Camilla Bausch).
  • “A Nutrient Quota Trading Scheme to Reduce the Eutrophication of the Baltic Sea.” 4 Journal for European Environmental & Planning Law (2007:4): 296-311 (with Karl Upston-Hooper).
  • “Tracking Down the Future Climate Regime: An Assessment of Current Negotiations under the U.N.” 1 Carbon & Climate Law Review (2007:1): 4-16 (with Camilla Bausch).
  • “The European Union and Climate Change: Leading the Way towards a Post-2012 Regime?” 1 Carbon & Climate Law Review (2007:1): 45-52 (with Leonardo Massai).
  • “Breathing Life into the Carbon Market: Legal Frameworks of Emissions Trading in Europe” 16 European Environmental Law Review (2007:4): 96-115 (with Karoliina Anttonen and Karl Upston-Hooper).
  • “Bridging the Transatlantic Divide: Legal Aspects of a Link between Regional Carbon Markets in Europe and the United States.” 7 Sustainable Development Law & Policy (2007:2): 46-52.
  • “Germany: New Energy Tax – A Sign of Progress?” 44 Tax Notes International (2006): 267-269.
  • “Klimagipfel in Montreal: Der Weg in eine zweigleisige Zukunft.” 17 Zeitschrift für Umweltrecht (2006:6): 291-295 (with Camilla Bausch).
  • “‘Alive and Kicking’: The 1st Meeting of the Parties to the Kyoto Protocol.” 15 Review of European Community and International Environmental Law (2006): 193-201 (with Camilla Bausch).
  • “Evolving Carbon Markets in the European Union – International Linkages and Lessons from Implementation (Review Essay).” 7 Yearbook of European Environmental Law (2005): 482-491.
  • “Dispelling the Chimera of Self-Contained Regimes: International Law and the WTO.” 16 European Journal of International Law (2006): 857-877 (with Anja Lindroos).
  • “Implementing the Kyoto Protocol in a Multidimensional Legal System: Lessons from a Comparative Assessment.” 15 Yearbook of International Environmental Law (2005): 3-79 (with Michael Rodi, Elizabeth Zelljadt and Janine Rechel).
  • “Projektbezogene Mechanismen und ihre Einbindung in den europäischen Emissionshandel: Die 'Linking Directive'” 29 Zeitschrift für Energiewirtschaft (2005:1): 78-84.
  • “Emissions Trading and National Allocation in the Member States: An Achilles Heel of European Climate Policy?” 5 Yearbook of European Environmental Law (2003): 113-156.
  • “Betwixt Scylla and Charybdis? Effectiveness in International Environmental Law.” 13 Finnish Yearbook of International Law (2002): 129-182.
  • “The Ecological Tax Reform in Germany.” 26 Tax Notes International (2000): 871-878.

Book Chapters and Articles in Edited Volumes (Selection)

  • “Market Mechanisms.” In The Oxford Handbook of International Environmental Law, edited by Jacqueline Peel and Lavanya Rajamani. Oxford: Oxford University Press, forthcoming 2021.
  • “Article 9 (Finance).” In A Commentary on the Paris Agreement on Climate Change, edited by Leonie S. Reins and Geert van Calster. Cheltenham: Edward Elgar, forthcoming 2021.
  • “Linking Carbon Markets: Legal and Institutional Issues and Lessons for Northeast Asia.” In Carbon Market Cooperation in Northeast Asia: Assessing Challenges and Overcoming Barriers, edited by Jackson Ewing. 31-40. New York, N.Y.: Asia Society Policy Institute, 2018.
  • “Linking Heterogeneous Climate Policies (Consistent with the Paris Agreement).” In International Cooperation in East Asia to Address Climate Change, edited by Robert N. Stavins and Robert C. Stowe, 49-52. Cambridge, Mass.: Harvard Project on Climate Agreements, 2018 (with Robert N. Stavins and Gilbert E. Metcalf).
  • “Linking Heterogeneous Climate Policies (Consistent with the Paris Agreement).” In Market Mechanisms and the Paris Agreement, edited by Robert N. Stavins and Robert C. Stowe, 43-46. Cambridge, Mass.: Harvard Project on Climate Agreements, 2017 (with Robert N. Stavins and Gilbert E. Metcalf).
  • “Article 193 TFEU (Environment).” In The Law of the European Union – A Commentary of the Treaties, edited by Christian Campbell, Peter Herzog, and Gudrun Zagel. Newark, N.J.: Matthew Bender, 2016.
  • “Legal Frameworks for Linking National Emissions Trading Systems.” In The Oxford Handbook of International Climate Change Law, edited by Cinnamon P. Carlarne, Kevin R. Gray, and Richard Tarasofsky, 261-288. Oxford: Oxford University Press, 2016.
  • "Transparency of Climate Change Policies, Markets and Corporate Practices." In The Oxford Handbook of Economic and Institutional Transparency, edited by Jens Forssbaeck and Lars Oxelheim. New York: Oxford University Press, forthcoming 2014 (with Thomas L. Brewer).
  • "The Changing Architecture of International Climate Change Law." In Research Handbook on Climate Change Mitigation Law, edited by Geert van Calster, Wim Vandenberghe, and Leonie Reins. Cheltenham: Edward Elgar, forthcoming 2014 (with Harro van Asselt and Clarisse Kehler Siebert).
  • “Germany's Ecological Tax Reform: A Retrospective.” In German Environmentalism in Transatlantic Perspective: A Multidisciplinary Approach, edited by Manuela Achilles. Basingstoke: Palgrave Macmillan, 2013.
  • “Designing Environmental Taxes in Countries in Transition: A Case Study of Vietnam.” In Handbook of Research on Environmental Taxation, edited by Janet E. Milne and Mikael S. Andersen, 122-138. Northampton, Mass.: Edward Elgar, 2013 (with
 Michael Rodi and Kai Schlegelmilch).
  • “Implementing Climate Law: Instrument Choice and Interaction.” In Climate Change and the Law, edited by Erkki J. Hollo, Kati Kulovesi and Michael Mehling, 11-30. Dordrecht: Springer, 2013.
  • “Alternative Venues of Climate Cooperation: An Institutional Perspective.” In Climate Change and the Law, edited by Erkki J. Hollo, Kati Kulovesi and Michael Mehling, 111-141. Dordrecht: Springer, 2013 (with Camilla Bausch).
  • “Implementing the CDM in Vietnam: Potential and Limitations.” In Improving the Clean Development Mechanism: Options and Challenges Post-2012, edited by Michael Mehling, Amy Merrill and Karl Upston-Hooper, 221-246. Berlin: Lexxion, 2011 (with Nhan T. Nguyen, Minh Ha-Duong, and Sandra Greiner).
  • “Enforcing Compliance in an Evolving Climate Regime.” In Promoting Compliance in an Evolving Climate Regime, edited by Jutta Brunnée, Meinhard Doelle and Lavanya Rajamani, 194-215. Cambridge: Cambridge University Press, 2011.
  • “Facing Climate Change across the Atlantic: How Far Apart are Europe and North America?” In Europe, Canada and the Comprehensive Economic and Trade Agreement, edited by Kurt Hübner, 259-273. London: Routledge, 2011.
  • “Cambio Climático.” In Derecho Internacional del Medio Ambiente, edited by Francesco Sindico, Rosa Fernández Egea and Susana Borrás Pentinat, 185-209. London: CMP Publishing, 2011 (with Arturo Brandt).
  • “Energy, the Environment, and Price-Based Instruments: Environmental Taxes as a Tool for Energy Sustainability and Climate Policy.” In Realising the Paradigm Shift towards Energy Sustainability: Climate Change, Technological Innovation, and the Challenge of an Optimal Instrument Mix, edited by Michael Rodi, 49-64. Berlin: Lexxion, 2010 (with Kalle Määttä).
  • “Pasado, Presente y Futuro del MDL: Propuestas para una Participación Equitativa.” In Un Nuevo Marco Legal para el Cambio Climático, edited by Pilar Moraga Sariego, 93-114. Santiago: Universidad de Chile, 2009 (with Arturo Brandt).
  • “Linking of Emissions Trading Schemes.” In Legal Aspects of Carbon Trading: Kyoto, Copenhagen and Beyond, edited by David Freestone and Charlotte Streck, 108-133. Oxford: Oxford University Press, 2009.
  • “La Unión Europea y el Cambio Climático – Entre Ambición y Realidad.” In El cambio climático en el derecho internacional y comunitario, edited by Remiro Brotóns and Rosa M. Fernández Egea. 133-164. Bilbao: Fundación BBVA, 2009.
  • “International Trade Policy in a World of Different Carbon Prices.” In Competitive Distortions and Leakage in a World of Different Carbon Prices: Trade, Competitiveness and Employment Challenges when Meeting the Post-2012 Climate Commitments in the European Union, edited by the European Parliament. 23-34. Strasbourg: European Parliament, 2008 (with Nils Meyer-Ohlendorf and Ralph Czarnecki).
  • “Implementation of the Kyoto Protocol in Germany: Designing an Integrated Management Scheme for Greenhouse Gases.” In The Kyoto Protocol and Beyond: Legal and Policy Challenges of Climate Change, edited by Wybe Douma, Leonardo Massai, and Massimiliano Montini. 111-134. The Hague: T.M.C. Asser Press, 2007.
  • “Energy and the Environment: The International Dimension.” In Instruments of Environmental Policy in Liberalized Energy Markets, edited by Michael Rodi. 31-48. Berlin: Lexxion, 2006.
  • “European Emissions Trading and Environmental Regulation in the Member States: Irreconcilable Conflict?” In Strengthening European Environmental Law in an Enlarged Union, edited by Teresa Fajardo del Castillo, Christoph Holtwisch, and Tereza Tichá. 162-178. Aachen: Shaker, 2004.

Unpublished Reports and Policy Papers (Selection)