On 2 April 2025, Anna Marhold, a member of the Peace and Security Committee of the AIV and Assistant Professor at the Grotius Centre for International Legal Studies, joined a technical briefing to parliament providing advice on hybrid threats and societal resilience.

Paul Hudson, a professor at Leiden University College, is organising a symposium on water management in the Netherlands and abroad that will take place on 22 March. We asked him what makes water management so important.

We, as LUGO, believe that with simple everyday actions we can prevent large amounts of single-use plastic water bottles from entering our oceans.

The Fine Mechanical Department's (FMD) new Wardjet A0612 will cut anything using a 4000 bar water jet. This enables the FMD to work faster, more accurately, and to perform more versatile jobs.

An international research consortium led by Bob van de Water, Professor of Toxicology at Leiden University, has been awarded a prestigious Horizon2020 grant of 30 million euros.

In 2011, the Udhruh Archaeological Project was launched, bringing together teams of Jordanian and Dutch archaeologists to investigate the region and reconstruct ancient water harvesting techniques in the extremely arid landscape of Udhruh. Access to fresh water remains one of the most pressing global…

Promotor: E. Bouwman, Co-promotor: S. Bonnet

Research using the ALMA telescope by scientists including Leiden's John Tobin and Steven Bos has produced the first images of the water snow line within a protoplanetary disc. Publication in Nature on 14 July.

On March 11, a travelling photo exposition on the Mayan archaeological site El Mirador, in Guatemala, saw its festive opening at the Van Steenis building. For the occasion a special Faculty Lecture was organised, entitled 'Water Legacy: Mayan World Meets the Netherlands'. We were honored to receive…

About 15 km to the south of the ancient city of Petra, archaeologists from the University of Leiden have discovered an impressive network of ancient water conservation measures and irrigated field systems.

MERCOSUR recently renewed its commitment to and support for contributing to the improvement of drinking water and sanitation in Paraguay, a member state which faces challenges in this area particularly for lower socioeconomic and vulnerable groups.

How did Angkor interact with regional urban centers? How did the settlement system impact the society's agricultural system and regional resilience?

In the new Annual Report 2020 we report on not only the research and teaching, but also the knowledge transfer, operational management and general policy at Leiden University in 2020. The report is divided into a general section and a section with the figures, i.e. the university’s financial stateme…

Pandemics, terrorist attacks, environmental disasters... These are real threats, which we cannot ignore. In fact: we need to prepare better for the large-scale crises of the future. Preferably in a way that suits our lifestyle and respects our social values. Over the next ten years, an interdisciplinary…

Researchers at the Faculty of Science work every day at the frontiers of knowledge, tackling today’s major societal challenges. Their work is recognised through grants, prizes and other awards. We highlight some of these achievements.

On Tuesday 11 January 2022, the new year at the faculty was ushered in with an online event. Dean Joanne van der Leun toasted the new year and of course the annual Meijers prizes and thesis awarded were presented.

At Leiden Observatory, researchers investigate the origin of stars and their planetary systems. They detect and characterize planets around other stars, which are called exo-planets. They study how stars and planets form. And they follow molecules from interstellar clouds to nascent planet systems.…

Sanneke Kuipers and Dyonne Niehof wrote a blog about 'The Resilient City'. They describe the resilience of a city such as New Orleans after Hurricane Katrina and also provide insights of social capital and the resilience of The Hague.

Thanks to modern technology, it is now possible to extract more gas and oil in the eastern part of the Mediterranean than in the past. As a result, a conflict has once again erupted between Turkey and Greece, in which Turkey is making claim to part of the Mediterranean Sea around Cyprus.

The need for knowledge among practitioners and the lack of an academic knowledge base for specifically collective arrangements of social work in the Netherlands were the reason for Anouk de Koning, Femke Kaulingfreks and Maartje van der Woude to start working on a Dutch Research Agenda (NWA) application…

The Business & Liability Research Network’s (BLRN) Opening Conference on Business Resilience was a resounding success and the report below provides an overview of the inspiring speeches, insightful panel discussions and informative workshops.

A study of the International Union for Conservation of Nature has identified tree species native to Indonesia’s Kutai National Park that are resilient to climate change. The species support threatened East Bornean orang-utan populations; therefore, the study recommends their use in reforestation efforts.…

This study examines recovery planning committees across Japan's Tohoku region.

A fragmented political landscape, permanent pressure from current affairs and an increasingly political civil service: our government faces many challenges. This makes it all the more difficult to make important decisions about pensions or the climate. Research and good education can help meet the challenges…

The energy transition ranks high on the European policy agenda, but what does it take to get there? René Kleijn researches how we can extract, use and reuse raw materials in a responsible way. Since 1 March, he has been appointed professor of Resilient resource supply.

In the honours course Sustainability & Health, students examine the causes and effects of climate change – but also how they can relate to these themselves. How do you build resilience in turbulent times? An excursion focused on silence and compassion helps students with this challenge.

Up to 50% of all children and adolescents growing up worldwide are exposed to at least one form of childhood adversity (CA), which is one of the strongest predictors for later-life psychopathology.

On 24 September the Institute of Environmental Sciences (CML) in Leiden will launch the new version of the Pesticides Atlas in cooperation with Rijkswaterstaat and Royal HaskoningDHV. The online tool is now faster, more user-friendly, more accessible and all data can be downloaded directly. Users can…

With increasing carbon dioxide levels in the atmosphere and their detrimental effect on the global climate, modern society needs to push for more renewable energy sources. Storing widely accessible and abundant solar energy in chemical bonds in the form of molecular fuel via artificial photosynthesis…

Students of the Bachelor Honours Class 'Strategies of Resilience' are exposed to a unique educational experience. Through philosophical insights and creative exercises, participants explore what it means to be resilient. ‘I really feel like it helps you develop as a person.’

Every year, the World Cultural Council grants special acknowledgements to five to ten young researchers or scholars of the host country who have achieved outstanding performance in the fields of science, education or arts.

Four students of the Faculty of Archaeology investigated how the current and past inhabitants of the Dutch province of South Holland deal with water. Their findings now feature in an exhibition that can now be visited in the Van Steenis building’s Reuvenshal.

When mosquito eggs hatch in nutrient-rich water, the mosquitoes are larger and they can also fly further. That is the first conclusion of a study from by the Netherlands Centre for One Health (NCOH) by PhD-student Sam Boerlijst.

On 26 and 27 September 2024, Leiden University's Grotius Centre for International Legal Studies hosted the H2OLAW conference entitled 'Law-science interfaces within the law of the sea and fresh water law’. The conference marked the launch of a multi-year research project led by Dr Hilde Woker and Dr…

At a time when the climate crisis demands global action, Leiden University College’s (LUC) research project REFloC (Resilient Ecosystems and Flourishing Communities) in Ghana is choosing a different path: listening closely.

A leak developed in the mains water supply in the new building of Leiden University’s Faculty of Science at the Wassenaarseweg on Tuesday evening.

Yesterday, an article appeared in Biznews about the watershortages in California. David Zetland, university lecturer at Leiden University College, gives his opinion about this problem.

Promotor: Prof.dr. G.R. de Snoo, Co-promotores: Dr. ing. M.G. Vijver, J.P.M. Vink

Nowadays data-driven working is very important within Rijkswaterstaat. A Variety of employees is involved in analyzing the data collected on daily basis by Rijkswaterstaat. The goal is to ensure that we construct an infrastructure in the Netherlands which will be safe, accessible and liveable in the…

Yousef Yousef (39), a successful entrepreneur in the water-quality industry, recently joined the Advisory Board at Leiden Law School. Read the interview about his career.

Wouter Halfwerk and colleagues from Panama and the US published a paper on multisensory communication in Science. The authors provide compelling data on the consequences of multisensory perception on signal evolution in tropical frogs.

How has landscape and land use changed in these two case studies since independence? What has caused these changes, whether anthropogenic or natural? How do local communities in the areas of study perceive these changes? How can community knowledge be integrated with mapping tools (GIS) to contribute…