ISBA2025

The International Institute of Air and Space Law (IIASL) offers PhD candidates the possibility to enroll in the IIASL PhD Track.

The development of space resource activities is happening now. In the absence of a clear framework to govern these activities, there is a need to examine the concepts that are being discussed in order to ensure that they meet existing treaty obligations regarding on-orbit operations and space resource…

The European Commission sees increased labour migration as a solution to the growing personnel shortages, but the Dutch Labour Inspectorate argues that this is not a tenable business model. Professor of Economics Olaf van Vliet discusses the advantages and disadvantages of labour migration for the economy…

Six Leiden University members of staff recently received the Erasmus+ International Credit Mobility grant for exchange projects with non-European partner universities. The total award of around 357,000 euros is used for approximately 50 international mobilities.

This book questions the accepted origins of the field of International Relations (IR). Commonly understood to have emerged from the horrors of WW1 with the goal of bringing about world peace, the authors argue that on the contrary, IR came from a somewhat less noble tradition – that of the Round Tab…

An Investigation into the role of copper-alloy craft production in the early medieval economy of northwest Europe.

Find out all you need to know about a visa and residence permit application with a member of the Admissions Office

BSc degrees: ‘Political Science’, ‘International Relations and Organisations’. MSc degree: Political Science, with specialisations ‘International Organisation’; ‘Dutch Politics; ‘Nationalism, Ethnic Conflict, and Development’; ‘International Politics’; ‘Political Legitimacy and Justice’; ‘Democracy…

Corona travel restrictions and increased political pressure: research into China has become considerably more difficult in recent years. University lecturer and China researcher Rogier Creemers does not let this put him off. He receives an NWO grant to screen policy documents using digital technique…

Are you thinking about studying Global Conflict in the Modern Era? Learn more and watch the introduction video.

The central question is whether the current regime of international humanitarian law governing the conduct of hostilities in armed conflict is still adequate to deal with modern conflict scenarios, or whether it needs revision or amendment.

PhD defence

Jens Iverson, Assistant Professor of International Law and a Researcher in the Jus Post Bellum Project, defended his Ph.D. dissertation on 21 September 2017.

Read more about the International Network Open Science & Scholarship Communities in our Vision and Mission statements.

Maritime conflict management is the regulation of conflict in relation to the sea. It comprises conflict enforcement, conflict resolution and conflict avoidance. How did victims of maritime conflicts claim and obtain damages or demand compensation or reparation?

This inaugural lecture discusses the question: How to cooperate in the digital era?

Promotor: Prof.dr. E.F. Smets, Co-promotor: T.R. van Andel

The expanding population and economic activity are driving up global energy consumption. Simultaneously, there is an urgent need to transition from fossil fuels to renewable sources to mitigate the climate crisis, primarily caused by fossil fuel combustion.

This thesis addresses the challenge of sustainable urban development by analyzing the interplay between green and grey infrastructure to optimize resource use and ecosystem services.

A sustainable resource management is an essential aspect to satisfy the current human needs without compromising the needs of future generations.

A splendid milestone after seven years of collaborative research on the sustainable development of the Indonesian economy. Professor of Industrial Ecology Arnold Tukker has been appointed as a guest professor at the Faculty of Economics and Business of Universitas Padjadjaran (UNPAD) in the Indonesian…

At Leiden University’s Faculty of Social and Behavioural Sciences we keep in touch with our alumni in various ways.

On Wednesday 16th of May, 2018, two student researchers of the LAPP, Hanna Leisti and Heidi Kaarto, had an opportunity to take part in the High Level Debate ‘Can the Blue Economy Save Our Ocean?’. The event was organised by the Sky and WWF in the premises of the European Parliament in Brussels with…

This article traces the evolution of interpretations of international law and international cyber norms on responsible state behaviour in cyberspace by reassessing five major – and allegedly state-led – cyber operations: Stuxnet 2010; Belgacom 2013-2014, the Ukrainian power grid 2015, the US presidential…

Terrorism expert Bart Schuurman has been appointed professor. As a researcher and lecturer at ISGA, he has witnessed the terrorist threat evolve and broaden. 'How can we explain these shifts and protect our society against them? That is what I want to focus on more,' he says.

On Wednesday 19 October 2022, the graduation ceremony for the International Relations MA programme took place. In the Teylerszaal of the Academy Building, the cohort of Master's students received their diploma.

Study information