The Hague Diplomacy Podcast aims at bringing the themes of the journal's research off the page, and onto the discussion table. Each episode will feature a guest who will share their insights and personal experience within their practice of or research on diplomacy. Available via SoundCloud, Apple Podcasts…

From 26 to 30 June 2017 a summer course on Europeanisation of administrative law in the Member States of the European Union will be held by the Department of Constitutional and Administrative Law.

This month Johan Christensen, assistant professor at the Institute of Public Administration, published his new book: ‘The Power of Economists within the State’. The book explores four countries, Denmark, Ireland, Norway and New Zealand and analyses why these similarly sized and wealthy countries have…

Residents of Bonaire believe the Dutch government should do more to combat climate change on their island. On their behalf, Greenpeace is taking the Dutch State to court. External PhD candidate Sjoerd Lopik discussed the case on Dutch Radio 1.

De discussie over de sluiting van illegale schietbanen van Defensie, als gevolg van de stikstofwetgeving is ingewikkeld en omvat diverse juridische aspecten. Armin Cuyvers, hoogleraar Europeesrecht, bespreekt de zaak in BNR-Nieuwsradio.

About the book

The mycorrhizal symbiosis is among the most widespread species interactions on Earth⁠. This thesis focuses on orchid mycorrhiza, a unique mycorrhizal type that has caught scientists’ attention for centuries⁠.

Political scientist Nicolas Blarel (Leiden University) analsyses how non-state actors can (directly or directly) attempt to provoke conditions for a crisis between state actors that have nuclear capabilities. He argues that there is an urgent but complicated and understudied task to understand and manage…

In November 2022, at the request of the House of Representatives, the Dutch Government established the State Commission on the Rule of Law.

Promotor: Prof.dr. E. R. Eliel, Co-Promotor: M.J.A. de Dood

Pau(la) Chaves Bonilla aka La ChicaScratch is a choreographer, performance artist and queer grassroots organiser born and raised in Colombia and based in The Netherlands, co-founder of the Papaya Kuir collective led by Latinx trans and queer migrants/refugees. On the 1st and 14th of April, Paula Chaves…

Individual traders should be at the forefront of the study of early modern world trade rather than institutions such as states and companies, argues Professor of Global Economic Networks Cátia Antunes. Inaugural lecture on 9 June.

How can we understand the encounter between communities active in sustainability initiatives and governmental agents at the multiple institutional layers in the Netherlands?

State Secretary Sander Dekker of Education, Culture and Science received the national research agenda Nature4Life on 31 January. This research agenda, in which Leiden University is involved, focuses on research on biodiversity, ecology and evolution.

Tom Long (2022). A Small State’s Guide to Influence in World Politics. Oxford University Press. ISBN: 9780190926212, 240 pp. (hardback), £19.99.

An analysis of people’s access to justice and the working of (legal) institutions in post-conflict, democratic Libya

A PhD candidate from the Van Vollenhoven Institute, Maryla Klajn, was recently invited as one of the speakers to the 'Unwanted Citizens of EU Member States’ conference, which took place in Liverpool on August 27th, 2019.

Large areas of space are filled by molecular clouds that consist of gas and dust grains that are the remnants of dead stars. When these clouds start collapsing, the decreasing temperature and increasing density cause gas particles to start accreting onto dust grain surfaces.

An international team of astronomers has shown in a laboratory at Leiden University (the Netherlands) that methane can form on icy dust particles in space. The possibility had existed for quite some time, but because the conditions in space were difficult to simulate, it was not possible to prove this…

Irene Moretti published the article Kin Enough in Social Analysis, The International Journal of Anthropology.

Faced with warfare on the European continent and growing Sino-American geopolitical disputes, the EU’s rising use of sanctions and attention to economic security call for a better diplomatic understanding of how state-market actor-networks are assets of modern foreign and security policy.

On Friday 3 February, Minister Bruins Slot of the Interior and Kingdom Relations appointed Fatma Çapkurt, of the Department of Constitutional and Administrative Law, to the Dutch State Committee on the Rule of Law. Chaired by Henk Kummeling, Rector Magnificus of Utrecht University, this State Committee…

On 1 December 2023, Fatma Çapkurt was appointed as deputy chair of the State Committee on the Rule of Law.

Promotor: Prof.dr. H.V.J. Linnartz, Co-Promotores: S. Ioppolo, H.M. Cuppen

What has European integration meant for the role and powers of Heads of State? And what should it mean, both at the EU and at the national level?

The new special issue on non-western non-state diplomacy, edited by Natalia Grincheva and Robert Kelley, is available online now and contains two Forum essays, four articles and two book reviews.

On the 28th of January 2019 Beryl ter Haar gave an introductory lecture on EU labour law concerning collective redundancies and working time. Both are core issues of this year's case for the Hugo Sinzheimer Moot Court Competition.

What is dark matter? How do supermassive black holes form? ‘Primordial’ black holes might hold the answer to these long-standing questions. Leiden and Chinese cosmologists have identified a new way in which these hypothetical objects could be produced just after the Big Bang. Publication in Physical…

In this video, Natalia Grincheva introduces the topics discussed in the journal's latest Special Issue.

Dr Brian McGarry, Assistant Professor of Public International Law at the Grotius Centre for International Legal Studies, addressed the International Tribunal for the Law of the Sea in the world's first advisory proceedings concerning climate change. His advocacy for the Commission of Small Island States…

Promotores: Prof.dr. H.J.M. de Groot, Prof.dr. J. Matysik (Universitaet Leipzig)

The German state of Saxony-Anhalt is set to make recognition of the state of Israel a requirement for becoming a German citizen. However, Peter Rodrigues, Emeritus Professor of Immigration Law, has told Dutch daily newspaper Nederlands Dagblad that introducing a similar measure in the Netherlands would…

The Council of State in the Netherlands has drawn up a programme of reflection to evaluate the role of the highest administrative court in the child benefits scandal and to learn lessons for the future.

From 26-30 June 2017 the first edition of the summer course on the Europeanisation of administrative law in the EU Member States took place in The Hague.

Dutch politics is becoming increasingly polarised, and forming stable governments seems more difficult than ever. In the heat of the election race, a psychologist and a historian offer cool-headed advice.

The Netherlands returned 478 artefacts to Indonesia and Sri Lanka this week, on the advice of a Dutch committee. Rightly so, says Leiden professor Pieter ter Keurs from the Museums, Collections and Society interdisciplinary research programme. ‘But do make it clear why you are returning something.’

Linde Desmaele explores the role of US theatre nuclear weapons stationed in Europe. Moving beyond the deterrence vs. reassurance debate

How and to what extent does AI affect citizen representation in public service delivery and state-citizen interactions?

How are law and governance in China responding to rapidly changing circumstances, and what does that mean for the relationship between the state and its citizens?

From receiving our salary to doing our shopping: we are completely dependent on commercial banks for all our payment transactions. But what happens if they collapse? In his inaugural lecture, Professor Bart Joosen calls for a rigorous change: ‘Put payment transactions for private clients under one…

Vice-rector Organisatieontwikkeling en oud-decaan FGGA Erwin Muller start op 1 april 2026 als staatsraad bij de Afdeling Advisering van de Raad van State.