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Dr. Oscar Widerberg is an Assistant Professor at the Institute for Environmental Studies (IVM).He study and teaches global sustainability governance, primarily focusing on the connections between state and non-state actors.

Dr. Widerberg teaches and coordinates courses on environmental policy and research methods in the Environment and Resource Management (ERM) Master programme. He conducts resarch on policy and governance for sustainability, primarily on the international and transnational level.

Oscar is a fellow to the Earth System Governance project, a member of the Swedish think tank FORES Reference Group on International Climate Policy, and member of INOGOV’s Early Career Investigators’ Network (ECIN). He has published academic articles, policy reports, debate articles and book chapters on a variety of global environmental issues. He regularly participates in the public debate on environment, climate and energy, among other, through radio appearances, UNFCCC side-events, and open lectures.

Before joining IVM, Oscar worked in international consulting firms Trinomics and Ecorys, advising international public authorities, primarily European institutions, on environmental, energy and climate policies. He also carried out traineeships at the European Commission’s delegation to the United Nations in New York; the United Nation DESA’s Division on Sustainable Development in New York; and, the European Climate Foundation in the Hague.

Oscar holds a PhD from Vrije Universiteit Amsterdam, an MSc in Environmental Science from Utrecht University and a BSc in International Relations from Malmö University. He is a Swedish native, speaks English and Dutch, and has a working knowledge of Danish, Norwegian and, to a lesser extent, French.


My research focuses on changing structure and agency in global environmental governance (GEG). The goal is to understand the causes, state, effects and management options for fragmentation in GEG. Fragmentation implies that international politics has changed fundamentally with the proliferation of actors and agreements governing different issue areas such as climate change and biodiversity, and create governance overlaps and gaps. In my research, I strive to combine quantitative (social) network approaches (SNA) and statistics with qualitative analysis from political science, international relations and sociology.


2017: PhD from Vrije Universiteit Amsterdam, the Netherlands

2009: MSc in Environmental Science, Utrecht University, the Netherlands.

2006: BSsc in International Relations, Malmö University, Sweden.


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Research Output 2013 2018

  • 13 Article
  • 8 Report
  • 5 Chapter
  • 1 PhD Thesis - Research VU, graduation VU

Exploring national and regional orchestration of non-state action for a < 1.5 °c world

Chan, S., Ellinger, P. & Widerberg, O. Feb 2018 In : International Environmental Agreements: Politics, Law and Economics. 18, 1, p. 135-152 18 p.

Research output: Contribution to journalArticle

Open Access
International Organizations
Latin America

Linkages: Understanding Their Role in Polycentric Governance

Pattberg, P. H., Chan, S., Sanderink, L. & Widerberg, O. E. 2018 Governing Climate Change: Polycentricity in Action?. Jordan, A., Huitema, D., van Asselt, H. & Forster, J. (eds.). Cambridge: Cambridge University Press, p. 169-187 19 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Open Access

Mapping the Institutional Architecture of Global Energy Governance

Sanderink, L., Kristensen, K. E. G., Widerberg, O. E. & Pattberg, P. H. 3 Jul 2018 Amsterdam: Institue for Environmental Studies. 51 p. (R (Report); vol. 18, no. 02)

Research output: Book/ReportReport

Open Access
environmental politics

Accountability Challenges in the Transnational Regime Complex for Climate Change

Widerberg, O. E. & Pattberg, P. H. 1 Jan 2017 In : Review of Policy Research. 34, 1, p. 68-87 20 p.

Research output: Contribution to journalArticle

Open Access
climate change

Beyond the CBD

Pattberg, P. H., Kristensen, K. E. G. & Widerberg, O. E. 13 Nov 2017 Amsterdam: Institute for Environmental Studies/IVM. 91 p.

Research output: Book/ReportReport

Open Access