Is polder rice a feasible circular alternative to cows on peat soil? In May, an experimental trial began, with researchers from Leiden University and Wageningen University & Research (WUR) planting around 3,000 rice plants at the Polderlab near Leiden. The researchers aimed to test rice as a middle…

Leiden University has taken seventh place in the UI Green Metric, a global sustainability ranking for universities. Almost 1,000 universities from all over the world participate in the ranking.

Storing energy is one of the biggest challenges in the energy transition. Hydrogen could be a solution. Chemist Daan den Boer is researching how to make the chemical reaction needed to store energy in hydrogen as cheap and efficient as possible.

After years of lobbying by environmental activists, a deposit scheme for small plastic bottles is to be introduced on 1 July 2021. One of the leaders in the fight is alumnus Merijn Tinga. The university will have collection points for plastic bottles and is also supporting the Plastic Spotter citizen…

The Third International Conference on Environmental Peacebuilding is set to take place between 19 and 21 June at the Wijnhaven building in The Hague. During the conference, over 400 participants from across the globe will come together to discuss the relationship between the environment and armed co…

Is polder rice a feasible circular alternative for cows on peatland? A pilot experiment started this week. On May 22nd, researchers from Leiden University and Wageningen University & Research (WUR) planted roughly 3,000 rice plants on the Polderlab near Leiden. The researchers want to test rice as a…

Various countries are planning new missions to the Moon. Not just for prestige and science, but also to extract raw materials.

Dutch mosquitos are more resilient to saltwater than previously thought. Environmental scientist Sam Boerlijst discovered this during his PhD research at the Hortus botanicus. This knowledge is crucial for understanding how mosquito-borne disease transmission might change in the future.

To inhibit proteins that contribute to the growth of aggressive cancer cells, that’s the plan of Professor Bob van de Water and his team. They will receive over 700,000 euros from the KWF Dutch Cancer Society for their research. Researcher Maaike Vreeswijk and pathologist Danielle Cohen are affiliated…

In his new book 'Flooding and Management of Large Fluvial Lowlands', Paul Hudson Associate Professor of Physical Geography at Leiden University College in The Hague, examines human impacts on lowlands rivers. The past twenty years the pressure on large fluvial lowlands has increased tremendously because…

More severe droughts that will also last longer: this will primarily be a problem for irrigated croplands, as discovered by environmental scientist Qi Chen. Mixed forests with a variety of plant species will be the least vulnerable. Chen compared the effects of drought on different ecosystems across…

Three international research projects involving Leiden University researchers will receive funding from the Una Europa university alliance.

Understanding the proces of electrochemical reactions is essential to improve the technology for the energy transition. Fuel cell cars, for example use hydrogen produced from the electrolysis of water. Mariana Monteiro did fundamental research on the process and won two prizes with her thesis.

Foreign investments in the Dutch East Indies during the colonial period could have been of more benefit to the Indonesian economy. Foreign investments in the Dutch East Indies during the colonial period could have been of more benefit to the Indonesian economy. But the complicated relationship between…

Several media published articles on the latest research from a team including Thijs Bosker, Associate Professor Environmental Sciences, last week. The research has shown that whales in the vicinity of Auckland New Zeeland consume three million microplastics a day.

Facility

A lot of green, corners to sit in and paths to stroll along. These were the wishes for the restyling of the garden of the Huizinga building. After some forty years, it was time to give the garden a facelift. The result is a welcoming, green garden with sunny spots and shaded nooks.

Facility

Dutch greenhouse horticulture is a world leader when it comes to innovative capacity and sustainability, but ‘the challenges are great in terms of energy, water, environment and biodiversity,’ says Peter van Bodegom, coordinator of AgriFood at the Centre for Sustainability of the Leiden, Delft, Erasmus…

The Houthis are attacking ships in the Red Sea. Rerouting via South Africa is expensive, whereas the Arctic route only takes a week. Once a no-go zone, this route might be a more realistic option. Mind the nuclear submarines, though…

A huge shiny aluminium object stands in the middle of the Polderlab in Oud Ade. Are the researchers trying to make contact with extraterrestrial life? Certainly not; they are using the ’Moon landers’ to measure whether innovative forms of agriculture reduce greenhouse gas emissions. Fleur van Duin works…

With a single sample of water or soil, researches can analyse the DNA of everything that is living in that environment. During her research, PhD candidate Beilun Zhao discovered a way to analyse not only the kind of species, but also the age of the species in a water sample. The method showed its first…

An international team of astronomers led by Ardjan Sturm of the Observatory has made the first two-dimensional inventory of ice in a planet-forming disk of dust and gas surrounding a young star. The researches, including Melissa McClure, used the James Webb Space Telescope and publish their findings…

Although there is considerable evidence that nature in the city is beneficial to both people and animals, we still do not have an overall picture of those benefits. To rectify that, a Leiden PhD candidate and a student – armed with a cargo bike – are using The Hague as a life-size laboratory.

Leiden University has taken 14th place in the UI Green Metric, a global sustainability ranking for universities.

No more smelly lorries disposing of building waste or delivering building materials to the centre of Leiden. That’s Leiden University’s ambition for its future renovation or construction projects in the city centre. Electric boats should make the process cleaner and less inconvenient for the people…

Assistant Professor Space Law Tanja Masson-Zwaan appeared as a guest on the Radio Weetlust programme of local Leiden radio station Sleutelstad FM. She talked about, among other things, who does the moon actually belong to and why we all would like to go there so badly.

De Universiteit Leiden staat op de twaalfde plek in de UI Green Metric, een wereldwijde duurzaamheidsranglijst voor universiteiten.

Suddenly getting lost, failing to recognise family members, or forgetting words and names are well-known symptoms of Alzheimer's disease. Psychologists have now discovered that the disease also manifests in more subtle ways: through the rhythm of finger tapping.

Whales in the vicinity of the city of Auckland, New Zealand consume large amounts of microplastics every day. A team of international researchers reached this conclusion after carefully examining whale poop. The team included Thijs Bosker, Associate Professor in Environmental Sciences at Leiden University…

Hans Slabbekoorn is specialised in animal sounds. On 1 July, he was appointed professor of Acoustic ecology and behaviour. A great honour, according to the new professor. ‘This job never gets boring, whether I am investigating the urban jungle or marine noise.’

Leiden University’s Living Lab is moving to the middle of the Leiden Bio Science Park. In the lab’s new home between the University of Applied Sciences, Mentor and Naturalis Biodiversity Center, the first ditches have now been dug. This new location is more accessible to both researchers and the public.…

Master’s students in Industrial Ecology and Governance of Sustainability have helped answer organisations’ questions about sustainability

After an intensive tender procedure, Leiden University and the Municipality of Oegstgeest have chosen Dura Vermeer for a new housing development with plenty of affordable homes in Nieuw Rhijngeest-Zuid. Dura Vermeer seeks to create a green and playful neighbourhood with welcoming public spaces as its…

Evaluaties en onderzoeksrapporten bieden waardevolle inzichten na crises, maar hoe zorgen we ervoor dat deze lessen daadwerkelijk leiden tot verbeteringen in crisisbeheersing en rampenbestrijding? Dit vraagstuk staat centraal tijdens de bijeenkomst Leren van crises: van onderzoek naar verandering, op…

Without scientific knowledge, we won’t be able to tackle the grand challenges of the 21st century: climate change, energy transition, social inequality and coronavirus, for example. Professor by Special Appointment of the Social Value of Science Laurens Hessels is therefore calling for more transdisciplinary…

Facility, Library

We all know smoking is bad for our health. But we might not have known that the cigarette filters that litter our streets also impact the environment. Esther Kentin is a lecturer at Leiden Law School. She is raising awareness of the University’s cigarette butt problem.

Martina Vijver has been nominated as Teacher of the Year of the Faculty of Science. She gets this nomination for the course Ecotoxicology she taught in 2022. The 52 students who took the course were hugely enthusiastic, as can be read in their positive reviews. What is so great about this course then?…

Traces of the past remain hidden in rivers, lakes and seas. In his inaugural lecture Martijn Manders will explain why underwater archaeology is important to understanding our history.

Bird, butterfly, fish: when you look through a children’s book, you usually don’t think about the fact that humans divided these animals, depicted in bright colours, into categories. Yet, this division has been discussed for centuries. In her PhD dissertation, Didi van Trijp shows how natural scientists…

Armed with sunglasses, a thick layer of sunscreen and several bottles of water, over 3,300 students have arrived in Leiden for their introduction week. The start of the 55th EL CID happened to be on the hottest day of the year.

Hydrogen can help to solve the climate problem. At least, if we start producing it in the right, clean way. Leiden researchers mapped out the global environmental impact of hydrogen production and looked ahead to 2050. They published their work in Energy & Environmental Science.

André Leliveld has won a grant of 100,000 euros within the Comenius Senior Fellow programme for the project ‘Learning globally, acting locally: co-creation of an international multidisciplinary online learning environment around Frugal Innovation'. André is academic coordinator of the Leiden-Delft-Erasmus…

The University pays out salaries on pre-determined dates. Additionally, the holiday allowance is paid out in May and the end-of-year bonus is paid out in November.

Symposium and Workshops

Arts and leisure, Arts and leisure

Nusantara Capital Authority (OIKN), which is in charge of developing Indonesia’s new capital city entered a Memorandum of Understanding with Leiden-Delft-Erasmus Universities on 18 March on knowledge sharing and joint research.