Interest groups play an important role in democratic society.

The multidisciplinary one-year master’s programme in North American Studies provides students with comprehensive knowledge of North American history, literature, film, and culture and their connection to contemporary social, political, literary and cultural developments in an international perspecti…

The seminar series on ‘Diversity and Inclusion in Global Science’ aims to foster debate on inequalities in science across the world. We hope to invite critical discussions on how research evaluation and communication include/exclude topics so far seen labelled as “regional” and/or published in “local"…

How can we deal with today’s global challenges in sustainable, peaceful, fair, democratic, and effective ways? How can global events such as geopolitical shifts, ecological changes, technological innovations, and pandemics be better governed? Addressing these complex questions requires innovative, multidisciplinary…

The ICT in the Public Sector master’s (last intake in February 2025) aims to provide a deeper understanding of the issues, challenges and opportunities of ICT-management and -alignment in a governmental environment.

The ICT in Business and the Public Sector master’s programme (last intake in February 2025) aims to provide a deeper understanding of the issues, challenges and opportunities of this subject. The programme focuses on management and alignment of ICT in a business and socio-technical context.

The ICT in Business master’s programme (last intake in February 2025) aims to provide a deeper understanding of the issues, challenges and opportunities of this subject. The programme focuses on management and alignment of ICT in a business context.

Our programmes are known for our scientifically based education and for our open atmosphere.

In the master’s programme in Archaeology, you can follow courses on the archaeology of the Americas, deepening your understanding of this large region.

What are the effects of light pollution from cities and bridges and noise pollution from passing vessels and nearby road traffic on migratory fish passage and spawning in rivers?

The CMCB comprises research groups from the Institute of Biology Leiden (IBL), the Leiden Institute of Chemistry (LIC) and the Leiden University Medical Center (LUMC).

What is the size and composition of the Dutch urban mine? How will the urban mine develop over time, and how can it be used as a source of materials as part of a circular economy?

Welcome to Leiden University's Global Transformations and Governance Challenges (GTGC) programme!

Cities, Migration and Global Interdependence focuses on inequality in all its forms. You will approach this subject from an intersectional perspective. Since categories of power and identity are always intertwined, the courses in the programme reflect this reality. This means you will study how societies…

Leiden University is committed to reducing our water consumption.

The programme of Parenting and Child Development consists of four substantive courses devoted to the following subjects:

We are happy to welcome you to spend a semester or year studying with us at the Faculty of Science. Find information on your course schedules, enrolment and more on these pages.

Master International Relations specialisation Culture and Politics.

Public International Law is a one-year Master’s specialisation at the internationally acclaimed Leiden Law School at Leiden University. The programme focuses on the legal framework that governs international relations in an increasingly complex global society.

Combine training in Mathematics research with different aspects of business studies. Learn to build bridges between science and business.

Are you interested in taking up an extra challenge during your master’s programme? Have you thought about developing your personal leadership style, study abroad or participating in the Erasmus Mundus Circular Economy programme?

By effectively integrating word-class scientific research and excellent education, you will become a professional astronomer with an internationally recognized degree.

Combine BPS research with different aspects of business studies. Learn to build bridges between science and business.

The Southern African Development Community (SADC) and the Federal Republic of Germany solidified their commitment to collaborative development with the signing of the SADC-German Framework Agreement on Development Cooperation.

Climate change, depletion of natural resources, loss of natural and cultural landscapes, and many other (ecological) sustainability challenges urge us to (re)evaluate human interaction with the natural world. This renewed environmental consciousness has invigorated not only scientists working on effects…

The Honours Class From Solar to Fuel with Bio consisted almost entirely of the workshop on Solar Biofuels from Micro-organisms that drew more than eighty specialist researchers to Leiden's Lorentz Centre in late March/early April. Students Erica Wenker (chemistry) and Jasper van Dobben de Bruijn (law)…

Bringing together chemists and physicists to thoroughly investigate how electrochemical processes work on the smallest scale. That is the goal of the new Advanced Nano-electrochemistry Institute of the Netherlands, or ANION for short. The consortium receives a Gravitation funding of 23.6 million euros…

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…

China is prohibited from using export duties to address any environmental problems. This is unfortunate, according to PhD candidate Fengan Jiang (Richard), as export duties could be useful in tackling global carbon leakage. PhD defence on 19 February 2020.

Martina G. Vijver has been appointed professor of Ecotoxicology at the Institute of Environmental Sciences of Leiden University with effect from 1 December 2017.

The Jus Post Bellum project is proud to announce that their foundational volume, Jus Post Bellum: Mapping the Normative Foundations, is now freely available as an Open Access publication. This was only possible due to generous funding from the Netherlands Organisation for Scientific Research (NWO),…

From filtering UV light in sun cream to preventing perspiration odour in socks and sterilising fridges and washing machines. The use of nanoparticles in products is increasing. But what is the impact of these miniscule particles on the environment?

From April 6th to 8th the Tyndall Centre for Climate Change Research hosted the conference ‘Climate Dilemmas – Ideals versus Realities’ at the University of East Anglia (Norwich, UK).

Are we on the right track towards a circular economy in 2050, with fully renewable energy technology and circular construction? The CML of Leiden University, together with the Netherlands Environmental Assessment Agency (PBL), TNO, Utrecht University and RIVM, is investigating what is needed to achieve…

Some governments and companies are pursuing a more circular economy, but what is the best way to get there? An international group of industrial ecology researchers wrote a report that stresses the importance of including the scientific side into policies and practices. ‘We feel an obligation to support…

Deze onderzoeksgroep richt zich op het thema ondermijning en financieel-economische criminaliteit, in het bijzonder de aanpak ervan op een aantal deelterreinen.

A complete transformation of the steel cycle in the Netherlands with the ultimate goal of a CO2 neutral steel sector by 2050. For this purpose, the Growing with Green Steel program receives €100 million from the National Growth Fund. From Leiden, Professor of Industrial Ecology René Kleijn is involv…

Climate change is a hot topic and constantly in the news. Thousands of Dutch high school students protested at the Malieveld in The Hague. News website Nu.nl has barred climate change deniers from their comments section to prevent ‘fake news’. How does climate change impact the research community, and…

Lecture

How does climate change affect the migration routes of birds? Mainly negatively, according to a new study from Yali Si from the CML. ‘It changes the timing of natural events differently in each region,’ she explains. ‘This can lead to a growing mismatch between the availability of food and the supposed…

As both old and new democracies experience increasing democratic backsliding, there is a critical societal need to rethink the design and effectiveness of democratic checks and balances. In this conference on Friday 9 June, the aim is to explore multidisciplinary insights about what makes the checks…

Over the past century, the world population has grown exponentially, as has our need for energy and raw materials. If we wish to continue to live prosperously in the future, we have to radically restructure our economy and consumption. Scientific research shows us how to do this.

Over the past century, the world population has grown exponentially, as has our need for energy and raw materials. If we wish to continue to live prosperously in the future, we have to radically restructure our economy and consumption. Scientific research shows us how to do this.

A rapid increase in the demand for construction sand is driving shortages and inequality around the world. Researchers from the Institute of Environmental Sciences at Leiden University have mapped the growing need for sand, as well as the bottlenecks and possible solutions. They have published their…

An organized overview of the current global fungal diversity, that is what Irene Martorelli and colleagues try to achieve with the new MycoDiversity Database (MDDB) she builds in collaboration with Naturalis Biodiversity Center. The new database will make it easier and quicker to observe which fungi…

Farmers who commit to environmentally friendly working methods also actively practise nature conservation in their farming - particularly when this is not financed by the government. These are the findings of research carried out by Anne Marike Lokhorst, who will receive her PhD on 17 September based…

Together with a large international team of scientists, researchers Peter van Bodegom and Nadia Soudzilovskaia of the Leiden Institute of Environmental Sciences (CML) have created maps of variability in plant trait distribution across the globe. The new maps have been published in Proceedings of the…

Historian Dario Fazzi is the new professor by special appointment at the Roosevelt Institute for American Studies (RIAS), a strategic partner of the Faculty of Humanities. He starts on 1 September and will combine his new position with his current teaching duties at the Institute for History.