You can't see them with the naked eye, but they are highly likely to pose a threat to our health: microplastics. These tiny plastic particles are present everywhere in the environment, including within our bodies. On science platform The Conversation molecular biologist Meiru Wang offers valuable insights…

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

Purple clothing and a pride flag flying from all University buildings: Leiden University is once again taking part in Purple Friday. How do people experience this day? We asked some employees and students of the Faculty of Humanities.

As a prelude to the Night of Discoveries, an Afternoon of Discoveries will be held in Leiden on 21 September for children from the age of eight. Researchers will tell exciting tales and the children will get to do experiments.

Last week Esther Kentin participated in the Second Meeting of the Ad Hoc Open-Ended Expert Group on Marine Litter and Microplastics organized by UN Environment in Geneva.

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…

Merijn Tinga hit the headlines in 2016 as the Plastic Soup Surfer. In force six winds, the Leiden biologist ventured across the English Channel on a hydrofoil kiteboard made from plastic bottles. Interview with this Leiden artist who is fighting the mountain of plastic waste and finding his feet as…

What is the history of plastic packaging in human society?

CML’s education programme aims at training (under)graduate and graduate students for integrated and multidisciplinary sustainability research and for better decision making in managing the world’s natural resources, environmental quality and biodiversity.

How can an effective ‘Safe and Circular by Design’ method be developed for practical application in a designer’s context, particularly for the initial stages of product design, incorporating Safe-by-design strategies, LCA/LCT, risk assessment and ethics?

Leiden University offers its students a wide range of bachelor's, master's and minors that explore sustainability or climate. Here, you find an overview of those programmes in the academic year 2020-2021.

While colloidal aggregates are often undesirable due to their random shapes, we exploit them as a starting point to synthesize patchy particles.

Leiden University is committed to reducing our water consumption.

What is my contribution to the world? This is what students and researchers at Leiden University College The Hague (LUC) ask themselves every day. They want to make a difference with their teaching and research in the four global challenges of ‘Peace and Justice,’ ‘Sustainability,’ ‘Diversity’ and ‘…

What are key regulators of plant ageing that can reverse ageing in plants (rejuvenation), and how can we use this knowledge to improve crop plants?

best phd theses of the faculty of science Leiden - physics, chemistry, computer science, biopharmaceutical sciences, biology, industrial ecology, environmental sciences, astronomy, mathematics. thesis

The occupation of the Afghan capital Kabul by the radical Taliban movement on 15 August 2021 received enormous international attention, not least because of the crisis that soon enveloped Kabul airport as desperate Afghans sought to flee the country on evacuation flights mounted by the United States…

Time and again synthesised substances have been shown to pollute the environment more than lab tests predicted. In her inaugural lecture on 16 November, professor of Ecotoxicology Martina Vijver gives a warning for the risks of new, man-made chemical substances and nanomaterials. Various media payed…

A Leiden Groningen student team has reached the European finals of the BISC-E competition. In this annual competition students have to come up with a sustainable solution to a major social problem. The team invented Suckerspheres: a natural alternative to the plastic microbeads that are still widely…

Cornald Maas was able to ‘pioneer’ in Leiden. This Dutch Studies graduate, presenter, programme maker and publicist combined an active student life with studying hard.

As you near the end of your student time, it can be daunting thinking about what you want to do after graduating. Am I ready for the job market? What are my options? Just about every student wrestles with these questions, and Lisanne and Wilbert are no exception. They called on the help of the University's…

Leiden’s beadle, Willem van Beelen, is retiring on 29 February. How does he look back on his career and what do those in the know have to say about him?

Life returned to something resembling normal after Covid but other crises soon took its place. These great challenges are also being felt at the University and our researchers are working on solutions. The nitrogen crisis, problems with young people’s services and an increasingly urgent climate crisis:…

The Sustainability Research Cluster fosters dialogue and collaboration among anthropologists and sociologists researching aspects of socio-cultural, ecological, and economic sustainability in and affiliated with the Institute of Cultural Anthropology and Development Sociology. It also seeks to stimulate…

Alumnus Francis Farrell (International Studies, 2018) works as a reporter at the Kyiv Independent, where he covers Russia's war against Ukraine. 'I experienced some crazy moments on the front line'

Each year the LUF Committee for Academic Expenditure awards grants to research and education projects. These grants for academic talent are often an important step towards grants from NWO and other institutions.

The publication of the recent IPCC report on climate change has not gone unnoticed, to put it mildly, certainly not within the Liveable Planet community.

A pill can make you better, but how exactly does it work? Primary school children from The Hague found out during a visit to the Centre for Human Drug Research (CHDR) as part of a new teaching module ‘The journey of a pill’.

It may not seem necessary to install special tap water stations in University buildings, but it is very useful: every tap here also means a tap in a developing country. With the the 35 tap water stations that Leiden University installs, the slum area of Madoya in Nairobi will soon have clean drinking…

In a world beset with war, climate problems and skyrocketing energy prices, it is good to have some 'slack time' now and then. That was Dean Mark Rutgers' message at the Faculty of Humanities' New Year reception.

At Orientation Week Leiden, a record 1,378 new international students got to know the city and one another. From a cracking karaoke party to fishing plastic out of the canals – see what they got up to in the photos!

Nederland Circulair! is organising the week of the circular economy, for the second time. This is a great setting for Leiden University to promote several of the university’s circular initiatives. We will kick off with an initiative by alumna Noortje Schrauwen: Raw material beachcombing.

Tropical butterflies adapt to their environment to improve their chances of survival. The changes are triggered by hormone signals that transmit information about temperature to the butterflies' tissues. Biologist Ana Rita Mateus shows how a complex combination of environment, physiology and genetics…

The eight ambitions of Leiden University's vision on education - Learning@LeidenUniversity - were the key theme of the packed Education Festival on 19 June. More than 200 lecturers and students came to PLNT, Leiden's innovation hotspot, for inspiration and best practices in the field of educational…

‘De aanpak van microplastics zit vol haken en ogen’

From 26 to 29 September 2017 the International Conference on Microplastic Pollution in the Mediterranean Sea was held.

Springer Water series published the conference proceedings of the International Conference on Microplastic Pollution in the Mediterranean Sea.

Prof. Robbert Dijkgraaf used experiments and models from Leiden University for his tv lecture on symmetry. The lecture was broadcast live on channel 1. He showed that our DNA only twists in one direction using a plastic DNA model and he used a Chladni plate to show the symmetry of sound.

Reuse everything and stop producing waste. By 2050, the Netherlands should have a circular economy. However, the new Integral Circular Economy Report by the Netherlands Environmental Assessment Agency (PBL) shows that there is still a long way to go. For the report, the Institute of Environmental Sciences…

When university lecturer Martine Bruil was on exchange in Ecuador as a teenager, she fell in love with the area's ancient languages. Now, more than 20 years later, she is starting a research project on the kinship of the language Awapit with the Quechua language that was spread by the Incas.

An overview of the research at the Cancer Dug Target Discovery group.

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.

Looking for ways to travel more sustainably once you've reached your destination? Here, we offer some ideas and helpful links to guide you in becoming a more responsible tourist. Ecotourism, defined as "responsible travel to natural areas that conserves the environment, sustains the well-being of…

Is there extra-terrestrial life out there? It now looks as though we can sketch out an answer to this enduring question. Leiden Observatory is helping to build new instruments to find the most promising exoplanets.

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.

This project aims to identify which aspects of exploring a novel environment produce beneficial effects on memory. The effects of novelty will be investigated across the lifespan, including children, adolescents and older adults.

Researchers from the Institute of Public Administration study the mechanism of lobbying and influencing political parties and the behaviour of these parties to see how solutions are found to problems. This enables them to reach conclusions as to how best to effect changes in political focus and poli…