Logo for Climate Social Science Network (CSSN)


Romain Weikmans

Finnish Institute of International Affairs

Based in


Dr. Romain Weikmans is Senior Research Fellow at the Finnish Institute of International Affairs and Adjunct Professor at the Université Libre de Bruxelles (ULB) / Free University of Brussels. His main research interests centre on international climate finance, climate transparency and climate adaptation, and he has published widely on these topics, including in Nature Climate ChangeClimate Policy and Global Environmental Politics. Romain earned his Ph.D. in Environmental Sciences and Management from ULB in 2015. He has conducted research and taught at Sciences Po’s Paris School of International Affairs, at Brown University’s Climate and Development Lab (Providence, RI, USA) and at the Environmental Change Institute (Oxford University). He is a lead author of the 2020 UNEP Adaptation Gap Report and a contributing author to the IPCC’s Sixth Assessment Report (WG2).

Focus areas of expertise

Climate policy and politics Climate Justice

How to Connect


Transparency in Global Climate Governance

Weikmans, R., & Gupta, A. (2021), “Assessing state compliance with multilateral climate transparency: ‘Transparency Adherence Indices’ and their research and policy implications,” Climate Policy.

Weikmans, R., van Asselt, H., & Roberts, J. T. (2020), “Transparency requirements under the Paris Agreement and their (un)likely impact on strengthening the ambition of nationally determined contributions (NDCs),” Climate Policy, vol. 20, n°4, p. 511-526.

Ciplet, D., Adams, K., Weikmans, R., & Roberts, J.T. (2018), “The Transformative Capability of Transparency in Global Environmental Governance,” Global Environmental Politics, vol. 18, n°3, p. 130-150.

Climate Finance

Roberts, J.T., Weikmans, R., Robinson, S.-a., Ciplet, D., Khan, M., & Falzon, D. (2021), “Rebooting a failed promise of climate finance,” Nature Climate Change.

Weikmans, R., Roberts, J.T, & Robinson, S.-a. (2020), “What counts as climate finance? Define urgently,” Nature, vol. 588, n°7837, p. 220.

Khan, M., Robinson, S.-A., Weikmans, R., Ciplet, D., & Roberts, J. T. (2020), “Twenty-five years of adaptation finance through a climate justice lens,” Climatic Change, vol. 161, n°2, p. 251-269.

Weikmans, R., & Roberts, J.T. (2019), “The International Climate Finance Accounting Muddle: Is There Hope on the Horizon?,” Climate and Development, vol. 11, n°2, p. 97-111

Gewirtzman, J., Natson, S., Richards, J.-A., Hoffmeister, V., Durand, A., Weikmans, R., Huq, S., & Roberts, J.T. (2018), “Financing loss and damage: reviewing options under the Warsaw International Mechanism,” Climate Policy, vol. 18, n°8, p. 1076-1086.

Roberts, J.T., Natson, S., Hoffmeister, V., Durand, A., Weikmans, R., Gewirtzman, J., & Huq, S. (2017), “How will we pay for loss and damage?,” Ethics, Policy & Environment, vol. 20, n°2, p. 208-226.

Weikmans, R., Roberts, J.T., Baum, J., Bustos, C., & Durand, A. (2017), “Assessing the credibility of how climate adaptation aid projects are categorised,” Development in Practice, vol. 27, n°4, p. 458-471.

Roberts, J.T., & Weikmans, R. (2017), “Fragmentation, failing trust and enduring tensions over what counts as climate finance,” International Environmental Agreements: Politics, Law and Economics, vol. 17, n°1, p. 129-137.