Four Master's students Science Communication & Society made two podcasts on the theme Plastic for the end project of their study programme. With the podcasts, they helped the Institute of Biology Leiden (IBL) to draw attention to plastic pollution. And that was harder than it seemed. 'Be sure to test…

An Ancient Egyptian System of Workmen’s Identity Marks

Contact the director or responsible professor of the Leiden Leadership Centre for more information:

Roll your sustainable sleeves! Our students and staff have found various ways to do just that, both at home and at our university.

What happens to the different waste streams?

Leiden academics Remco Breuker and Auke-Florian Hiemstra stand to win the title of Person of the Year.

Develop a prototype combined chemical-microbial enzymatical process for the sustainable, green recycling and revalorization of polyamides and polystyrene

Dutch archaeologists are making three-dimensional virtual reconstructions of archaeological objects lost in the Syrian civil war.

We are very excited to announce our Sustainability Series for 2023-2024. Each month an interactive workshop will be organised that discusses a specific theme of sustainability. Interested about sustainability? Do not hesitate to sign up to our events !

How dangerous are micro- and nanoplastics? Do they affect the environment? What harm can they do to our bodies? Questions that we can now finally answer because of Fazel Abdolahpur Monikh. Together with his colleagues, he developed a method to detect and quantify nano-sized plastics. Their paper has…

The cargo lost at sea as a result of the MSC Zoe disaster should be considered environmental pollution and information about it should be made public. This was the case made by Leiden Law School’s Leiden Advocacy Project on Plastic (LAPP). Following their investigation, the government has finally decided…

Flitsinterview met alumnus Kees van der Staaij: ik ben en blijf een jurist in hart en nieren

Deze week sluiten we het academisch jaar af met verschillende FGGA-studenten, waarin zij hun zomer- en toekomstplannen vertellen, maar ook terugblikken op het afgelopen jaar: ‘Ik vond het ontzettend prettig om weer terug te komen naar de fijne sfeer op Wijnhaven.’

From where litter ends up to which languages are spoken in Leiden and The Hague: over 50 interesting, surprising, complex and entertaining questions were sent in for the Citizen Science project to mark our 444th anniversary. Not one but two Citizen Science projects will be starting this year in Leiden…

Plead

Leiden Law School is working hard to improve sustainability both in education and teaching within the faculty, at our campus and in our research. You can read all about the university's vision and ambitions, recent developments in this area, our current sustainability projects and how students and…

Where did species survive the cold cycles of the current Ice Age?

The Europa Instituut is pleased to announce that on 21 November 2016 a new handbook “EU State Aids” (31 Chapters, 1500 pages) was published.

On the 26th of May Sudarmoko successfully defended a doctoral thesis and graduated.

Canal Watch (De Grachtwacht), which has been cleaning canals since 2018, has received the Dutch Research Council (NWO) Communication Initiative Award.

What is the effect of pesticides, fertilizers or plastic on water quality? And how do wind and rain affect the data? These are just some of the things that Leiden environmental scientists study in the 32 ditches of the Living Lab.

Leraar worden in het voortgezet onderwijs? Bekijk dan deze video.

Have you spotted the special voting bins on campus yet? Send us your suggestions for challenging, non-scientific questions and who knows? Your burning question might just be the next butt-kicker!

Kathryn Emerson defended her thesis on 28 June 2016

What is the provenance of introduced populations?

How do balanced lethal systems originate and persist in nature?

How does invasive hybridization affect threatened native species?

Does a moving hybrid zone leave a genomic footprint?

duurzaamheidsthema's onderzoek

Mission: The Environmental Biology department aims to increase the scientific understanding of how current and emerging anthropogenic threats affect biodiversity and ecosystem services. Through this understanding they facilitate strategic management of natural resources by addressing urgent challenges…

Toen in 2019 honderden afvalcontainers in de Waddenzee vielen, wilde de overheid geen informatie vrijgeven over wat er in de containers zat. Vijf jaar later weten we eindelijk meer, nadat hoogleraar Esther Kentin beroep deed op de Wet Open Overheid.

Lecture

Defending your PhD research in front of nearly 300 elementary school students: that was the challenge faced by PhD candidates Jo-Anne Verschoor and Marinka de Willigen during the VUURVLIEGEN competition organised by the Centrum JongerenCommunicatie Chemie (C3). After an exciting competition, the children…

The opening of the Academic Year 2017-2018 took place on Monday 4 September 2017 in Pieterskerk church.

Kyra van der Moezel defended her thesis on 7 September 2016.

Alexander West defended his thesis on 20 May 2021

The Leiden Leadership Centre is an interdisciplinary network organisation branching out from its place within the Institute of Public Administration, Faculty of Governance and Global Affairs (Leiden University in The Hague). The LLC functions as a platform by connecting students, practitioners, and…

In a world where medical advances are progressing rapidly, Professor of Obstetrics and Gynaecology Ben Cohlen argues that these must always go hand in hand with ethical reflection and careful decision-making. Because behind every technological advance lies hope, uncertainty and sometimes sadness.

Our institute contributes to multiple curricula. 

PhD defence

New technology offers many new possibilities for research, such as on dementia. ‘Organ-on-a-chip’ is a new technology in which small bits of organ are grown out of stem cells on a small plastic plate. A small piece of blood vessel, heart or nerve offers many new possibilities for research, such as…

Leiden University's Citizen Science Lab supports and organizes initiatives where anyone can get started with scientific data and research. This is how we enrich research with insights from the community, make science accessible to all, and tackle important local issues together.

Netwerk en projecten duurzaamheid verduurzaming green office en green team

Lets hit the water! Our students joined us on Saturday 30 August 2025 for a Stand Up Paddleboarding (SUP) and canal clean-up session on Leiden’s canals with Plastic Soup Surfer Merijn Tinga.