How does Leiden University save energy? Could we organise our recycling better? Do our study programmes devote sufficient attention to the importance of sustainability? And how do we address this theme in our research? These and other questions are answered in Leiden University’s Sustainability Report…

The European University for Well-Being is organising a hackathon from 14 to 21 September to generate concrete proposals for this virtual university and to create a EUniWell identity. Leiden students and staff are welcome to take part.

On Thursday 7 May, Jolanda van der Vliet obtained her PhD based on her dissertation 'The International Protection of Environmental Refugees. A human rights-based, security and State responsibility approach.' The defence was held online. Jolanda worked on her dissertation under the supervision of the…

Out of sight of national parliaments, the European Union takes decisions that have a far-reaching effect on the lives of citizens. Professor of International Governance Kutsal Yesilkagit calls for more thorough research on how cross-border forms of governance work and how politicians direct their civil…

Sustainability researchers can play an important role in the energy transition. But what if their partners are not (yet) sustainable and science itself has adverse effects? This is the subject of an online talk by researcher Thomas Franssen on 16 December with a discussion afterwards. ‘Clean energy…

A new series of webinars, the Cleveringa Dallaire Critical Conversation Series, begins on 22 September. In this series of online conversations, expert panels from Leiden and abroad will talk about leadership and moral dilemmas in times of conflict and crisis. The series is open to all.

The year 2023 saw the earthquake in Turkey and Syria, the Wagner Group rebellion and wildfires and floods as all the weather records were smashed. Our most-read stories were about the climate crisis and the elections: here’s the list.

More than 100 colleagues, students and friends attended the first annual Leiden Jewish Studies Association conference 'Jews at Home: From Creation to Corona' in December 2023. The two-day event began with a keynote panel featuring Prof. Elisheva Baumgarten, a scholar with vast expertise in Jewish and…

Connecting scientific fields, enhancing research and teaching, and providing innovative solutions to complex social issues: that is the idea behind interdisciplinary research. What did the university achieve in 2024? A small sample.

This blogpost is a reflection of research assistant Marilena Poulopoulou on the food relief initiative she took part in between May and August 2020 in the city of Utrecht.

Few have dared declare a winner of the debate between American president Donald Trump and his Democrat challenger Joe Biden. It was more about who was least worst. What do psychologist Willem van der Does, historian Andrew Gawthorpe and policy science scholar Brandon Zicha make of the debate?

This was the programme for The Knowledge Orchard 2025:

The European Homicide Monitor (EHM) offers a standardized framework for countries and regions to compare homicide characteristics, patterns and trends.

The AI research in the area of peace, justice and security at each of the three universities in Zuid-Holland complements the AI research being performed by the other two. Three researchers explain. Part one in a series of five about themes that the three universities’ AI research covers.

The magazine New Scientist selected 25 nominees from candidates proposed by all Dutch and Belgian universities for the New Scientist Science talent 2015 election. One of these nominees is dr. Marieke Liem, who works at the Centre for Terrorism & Counterterrorism.

It doesn’t take long before Tim van Lit has told us what interests him: problems that shake the nation. This 28-year-old Criminology alumnus heads a team of 25 at Royal Netherlands Marechaussee. Location: Schiphol Airport.

In 1933, Leiden held a large international student conference. It was supposed to be a celebration of unity that would bring together the French, British and Germans. But when the Nazis showed their true colours, Rector Magnificus decided to intervene...

Mingo, a 91-year-old fish lover from Bari, takes us with him into the physical, symbolic and cultural space of the market.

On 15 May 2025, a roundtable '80 Years of Peace in Europe?' was convened with students and staff at Leiden University to reflect on the anniversary of the end of World War II.

The student debate in Leiden’s Stadsgehoorzaal promised to be ‘the key to your vote’. That may sound hyperbolic, but what this well-attended debate did achieve was increased trust in politics. ‘They even let each other finish their sentences’, the flabbergasted students concluded at the end.

‘Culture change takes time,’ said Vice-Rector Hester Bijl at the closing panel of the University’s Diversity Symposium on 26 January. She talked about the road to a diverse and inclusive university. The symposium provided plenty of concrete examples of small steps that can already be taken.

Peter Paul van Benthem is not only head of the ENT department at the LUMC but also chair of the Federation of Medical Specialists. ‘The value is in the mix.’

The 2022 Academy is co-organised by Leiden, Delft Erasmus Universities (The LDE Alliance) from the Netherlands and the National Research and Innovation Agency (BRIN). Aim of this five day programme is co-creation in the field of teaching and research on sustainable urbanisation. It also aims to facilitate…

Anthropological Research on Solidarity Economy in Croatia: the case of CSA.

Should Leiden University cut its ties with the fossil fuel industry forthwith? This was the main question in a debate between students and staff. The answer was clearer for some than for others.

Rector Magnificus Carel Stolker will retire on 8 February. If there’s one theme running through his career, it’s the links between the University and society. In this series of pre-retirement discussions, Stolker will talk one last time to people from within and without the University. This edition…

Strong on substance, a good sense of humour and also a bit chaotic. This is how colleagues describe Suzanne van der Pluijm. She started as the new Executive Director at the Faculty of Science on 1 June. Who is Suzanne and what does she stand for? Get to know her in seven questions.

Aquí pueden encontrar el programa del congreso.

This page features an overview of relevant lectures, publications and conference papers.

What is Leiden University doing to make its buildings future-proof and independent of fossil energy?

From time management and mindfulness to online leadership. Nearly all of the training courses, coaching sessions and introductions offered by HRM Learning & Development are now online. Programme coordinator Jasmijn Mioch and trainee Marleen Zwetsloot explain the options.

The start of this year saw the opening of the LDE Centre for Governance, Migration and Diversity. The Centre looks at public administration and policy issues in the four South Holland cities from a multicultural perspective. What is unusual is that there are already master's graduates at the Centre.

It’s been a turbulent, bizarre and extraordinary year, 2020. Coronavirus turned the lives of everyone at our University upside down. Out teaching, research and all the events that are held in a year: nothing was the same as before. That this affected all of us is clear from the highlights and many reactions…

On Friday the 6th of September 2024, members of the Leiden University Medical Anthropology Network convened in the African Studies Center to discuss Global Health Interventions.

Livia, aged 7, was in class four. She loved to chat and was good at reading aloud. At least, at home. At school she never read aloud and she hadn't spoken a single word. What was going on? Selective mutism was the subject of the inaugural lecture by Maretha de Jonge, Professor by Special Appointment…

As an enthusiastic nature lover, Maaike Kempes began studying biology at Leiden University. Now, she is extraordinary professor of Forensic Neuropedagogy at the faculty of Social Sciences. She is researching how neurobiology plays a role in delinquent behaviour among young people. ‘They’re like Ferraris…

Major developments worldwide are creating new challenges for society. The pandemic has hit us hard, for example, and we are already feeling the effects of global warming. How can society and politics deal with the urgent problems of our time? That is the theme of the Global Transformations and Governance…

Now that university buildings have closed, most staff members have started working from home. How are Faculty of Science colleagues faring in their new offices?

Even as a child, Jan Willem Erisman wanted to make things better. As a professor Environmental sustainability, he is therefore also very active outside the university. He is known as the nitrogen professor: in the media all the way to the House of Representatives, he explains the nitrogen problem. Recently,…

If there’s one place at the University where it doesn’t matter where you come from, it’s De Kattekop. This, the University nursery, celebrates its 40th birthday in September. Its history reflects developments at the University. Parents are full of praise for it.

Submissions are sought for a special issue with Frontiers in Political Science that explores the conceptual and practical aspects of a ‘just’ energy transition both within and beyond Europe. In particular, contributions to the theoretical and interdisciplinary foundations of just transitions, as well…

The buildings are closed and all classes have moved online: these are strange times for students at our university. And for international students, it is even more complicated. They are here without their friends and family, and had to decide whether to stay here or return home. Three of them share…

From the 19th century, Dutch colonisers on Curaçao relied heavily on the Catholic church. Missionaries provided not only teaching and spiritual care for the Catholic Afro-Caribbeans, they also ensured social order and peace. However, these benefits came at a price. The gap to good education and participation…

Recently, the so-called refugee crisis has been framed as a threat for well-developed welfare states in Europe by the president of the Eurogroup, Jeroen Dijsselbloem. According to him, external borders have to be guarded, because otherwise ‘loads of people will come to demand support and they blow up…

Besides the project Conference and Winter School, the Food Citizens? research has profiled in numerous societal and interdisciplinary venues, online and offline, over the last year. Here is a brief summary with linked online resources.

Historians have long known that Catholics played a significant role in the Revolt of the Netherlands (1520-1635). But what did the Revolt mean to individual Catholics? Professor of Early Modern Dutch history Judith Pollman has published a book on the subject.