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Harro van Asselt

University of Cambridge

Based in

United Kingdom

Harro van Asselt is the Hatton Professor of Climate Law with the Department of Land Economy, and a Fellow with Hughes Hall, University of Cambridge. He is also Professor of Climate Law and Policy with the University of Eastern Finland (UEF) Law School, Visiting Research Fellow with the Copernicus Institute of Sustainable Development at Utrecht University, and Affiliated Researcher with the Stockholm Environment Institute. He is an expert on interactions between international climate governance and other fields of international governance. Harro worked at the Stockholm Environment Institute, the Environmental Change Institute of the University of Oxford, and the Institute for Environmental Studies at the Vrije Universiteit Amsterdam. He is Editor of the Review of European, Comparative & International Environmental Law (RECIEL).

Country(ies) of Specialty

Focus areas of expertise

Climate policy and politics Climate law and litigation Fossil fuels

How to Connect



Mayer and H. van Asselt, ‘The Rise of International Climate Litigation’ (2023) 32(2) Review of European, Comparative & International Environmental Law.

Rajavuori, A. Savaresi and H. van Asselt, ‘Mandatory Due Diligence Laws and Climate Change Litigation: Bridging the Corporate Climate Accountability Gap?’ (2023 fc.) Regulation & Governance.

Newell, H. van Asseltand F. Daley, ‘Building a Fossil Fuel Non-Proliferation Treaty: Key Elements’ (2022) 14 Earth System Governance 100159.

H. van Asselt and E. Harrould-Kolieb, ‘Toward an Intergovernmental Transparency Arrangement for Fossil Fuel Production’ (2022) 16(3) Carbon & Climate Law Review161–178.

H. van Asselt and F. Green, ‘COP26 and the Dynamics of Anti-Fossil Fuel Norms’ (2023) 14(3) WIREs: Climate Changee816.

H. van Asseltand P. Newell, ‘Pathways to an International Agreement to Leave Fossil Fuels in the Ground’ (2022) 22(4) Global Environmental Politics28–47.

Grubb, N.D. Jordan, E. Hertwich, K. Neuhoff, K. Das, K.R. Bandyopadhyay, H. van Asselt, M. Sato, R. Wang, B. Pizer and H. Oh, ‘Carbon Leakage, Consumption, and Trade’ (2022) 47 Annual Review of Environment and Resources753–795.

Hermwille, S. Lechtenböhmer, M. Åhman, H. van Asselt, C. Bataille, S. Kronshage, A. Toenjes, M. Fischedick, S. Oberthür, A. Garg, C. Hall, P. Jochem, C. Schneider, R.Y. Cui, W. Obergassel, P. Fragkos, S. Sudharmma Vishwanathan and H. Trollip, ‘A Climate Club to Decarbonize the Global Steel Industry’ (2022) 12(6) Nature Climate Change494–496.

Jakob, S. Afionis, M. Åhman, A. Antoci, M. Arens, F. Ascensão, H. van Asselt, N. Baumert, S. Borghesi, C. Brunel, J. Caron, A. Cosbey, S. Droege, A. Evans, G. Iannucci, M. Jiborn, A. Kander, V. Kulionis, A. Levinson, J. de Melo, T. Moerenhout, A. Monti, M. Panezi, P. Quirion, L. Sager, M. Sakai, J. Sesmero, M. Sodini, J.M. Sollede, C. Verkuijl, V. Vogl, L. Wenz and S. Willner, ‘How Trade Policy Can Support the Climate Agenda’ (2022) 367(6600) Science 1401–1403.

Mehling, H. van Asselt, S. Droege and K. Das, ‘The Form and Substance of International Cooperation on Border Carbon Adjustments’ (2022) 116 AJIL:Unbound213–218.

H. van Asselt, ‘Governing Fossil Fuel Production in the Age of Climate Disruption: Towards an International Law of ‘Leaving It in the Ground’’ (2021) 9 Earth System Governance100118.

H. van Asseltand J. Skovgaard, ‘Reforming Fossil Fuel Subsidies Requires a New Approach to Setting International Commitments’ (2021) 4(11) One EarthP1523–P1526.

Simon, K. Raubenheimer, N. Urho, S. Unger, D. Azoulay, T. Farrelly, J. Sousa, H. van Asselt, C. Sekomo, G. Carlini, M.L. Schulte, P.O. Busch, N. Wienrich and L. Weiand, ‘A Binding Global Agreement to Address the Life Cycle of Plastics’ (2021) 373(6550) Science 43–47.

Chan, I. Boran, H. van Asselt, P. Ellinger, M. Garcia, T. Hale, L. Hermwille, K.L. Mbeva, A. Mert, C.B. Roger, A. Weinfurter, O. Widerberg, P. Bynoe, V. Chengo, A. Cherkaoui, T. Edwards, M. Gütschow, A. Hsu, N. Hultman, D. Levaï, S. Mihnar, S. Posa, M. Roelfsema, B. Rudyk, M. Scobie and M.K. Shrivastava, ‘Climate Ambition and Sustainable Development for a New Decade: A Catalytic Framework’ (2021) 12(3) Global Policy245–259.

Asselt, Harro van & Tom Moerenhout (2020). Fit for Purpose? Toward Trade Rules that Support Fossil Fuel Subsidy Reform and the Clean Energy Transition. Copenhagen: Nordic Council of Ministers.

Piggot, C. Verkuijl, H. van Asseltand M. Lazarus, ‘Curbing Fossil Fuel Supply to Achieve Climate Goals’ (2020) 20(8) Climate Policy881–887.

Erickson, H. van Asselt, D. Koplow, M. Lazarus, P. Newell, N. Oreskes and G. Supran, ‘Why Fossil Fuel Producer Subsidies Matter’ (2020) 578(7793) NatureE1–E4.

Mehling, H. van Asselt, K. Kulovesi and E. Morgera, ‘Teaching Climate Law: Trends, Methods, and Outlook’ (2020) 32(3) Journal of Environmental Law417–440.

Weikmans, H. van Asselt and J.T. Roberts, ‘Transparency Requirements under the Paris Agreement and Their (Un)likely Impact on Strengthening the Ambition of Nationally Determined Contributions (NDCs)’ (2020) 20(4) Climate Policy511–526.

Chan, I. Boran, H. van Asselt, G. Iacobuta, N. Niles, K. Rietig, M. Scobie, J. Bansard, D. Delgado-Pugley, L. Delina, F. Eichhorn, P. Ellinger, O. Enechi, T. Hale, L. Hermwille, T. Hickmann, M. Honegger, A. Hurtado Epstein, S. La Hoz Theuer, R. Mizo, Y. Sun, P. Toussaint and G. Wambugu, ‘Promises and Risks of Non-State Action in Climate and Sustainability Governance’ (2019) 10(3) WIREs Climate Change e572.

Gupta and H. van Asselt, ‘Transparency in Multilateral Climate Negotiations: Furthering Accountability?’ (2019) 13(1) Regulation & Governance18–34.

M.A. Mehling, H. van Asselt, K. Das, S. Droege and C. Verkuijl, ‘Designing Border Carbon Adjustments for Enhanced Climate Action’ (2019) 113(3) American Journal of International Law 433–481.

Pauw, K. Mbeva and H. van Asselt, ‘Subtle Differentiation of Countries’ Responsibilities under the Paris Agreement’ (2019) 5 Palgrave Communications86.

Pekkarinen, P. Toussaint and H. van Asselt, ‘Loss and Damage after Paris: Moving beyond Rhetoric’ (2019) 13(1) Carbon & Climate Law Review31–49.

Skovgaard and H. van Asselt, ‘The Politics of Fossil Fuel Subsidies and Their Reform: Implications for Climate Change Mitigation’ (2019) 10(4) WIREs Climate Changee581.

Verkuijl, H. van Asselt, T. Moerenhout, L. Casier and P. Wooders, ‘Tackling Fossil Fuel Subsidies through International Trade Agreements: Taking Stock, Looking Forward (2019) 58(2) Virginia Journal of International Law 309–368.

Asselt, Harro van & Kati Kulovesi (2017). Seizing the Opportunity: Fossil Fuel Subsidies under the UNFCCC. International Environmental Agreements: Politics, Law and Economics 17(3), 357–370.

Asselt, Harro van & Stefan Bößner (2016). The Shape of Things to Come: Global Climate Governance after Paris. Carbon and Climate Law Review 10(1), 46–61.

Asselt, Harro van (2014). The Fragmentation of Global Climate Governance: Consequences and Management of Regime Interactions. Cheltenham, UK: Edward Elgar.

Asselt, Harro van (2015). Between the Devil and the Deep Blue Sea: Enhancing Flexibility in International Climate Change Law. Netherlands Yearbook of International Law 46, 255–286.

Asselt, Harro van (2016). The Role of Non-State Actors in Reviewing Ambition, Implementation, and Compliance under the Paris Agreement. Climate Law 6(1–2), 91–108.

Asselt, Harro van, Romain Weikmans and J. Timmons Roberts (2017). Pocket Guide to Transparency under the UNFCCC. Oxford: European Capacity-Building Initiative.

Chan, Sander, Harro van Asselt, Thomas Hale, Kenneth W. Abbott, Marianne Beisheim, Matthew Hoffmann, Brendan Guy, Niklas Höhne, Angel Hsu, Philipp Pattberg, Pieter Pauw, Céline Ramstein & Oscar Widerberg (2015). Reinvigorating International Climate Policy: A Comprehensive Framework for Effective Nonstate Action. Global Policy 6(4), 466–473.

Chan, Sander, Robert Falkner, Matthew Goldberg & Harro van Asselt (2018). Effective and Geographically Balanced? An Output-based Assessment of Non-state Climate Actions. Climate Policy 18(1), 24–35.

Jordan, Andrew J., Dave Huitema, Mikael Hildén, Harro van Asselt, Tim J. Rayner, Elin L. Boasson, Johanna Forster, Jonas Schoenefeld & Jale Tosun (2015). The Emergence of Polycentric Climate Governance and Its Future Prospects. Nature Climate Change 5(11), 977–982.

Jordan, Andrew, Dave Huitema, Harro van Asselt & Johanna Forster (Eds.) (2018). Governing Climate Change: Polycentricity in Action? Cambridge, UK: Cambridge University Press.

Lazarus, Michael & Harro van Asselt (2018). Fossil Fuel Supply and Climate Policy: Exploring the Road Less Taken. Climatic Change 150(1–2), 1–13.

Piggot, Georgia, Peter Erickson, Harro van Asselt & Michael Lazarus (2018). Swimming Upstream: Addressing Fossil Fuel Production under the UNFCCC. Climate Policy 18(9), 1189–1202.

Verkuijl, Cleo & Harro van Asselt (2019). Paris Rules? Environmental Policy & Law 49(1), 11–19.