Green spaces boost mental health—especially in busy cities. A new study from Leiden and Stanford University reveals how nature benefits urban well-being and offers low-cost ways to make city life healthier for everyone.

The Sustainability Monitor 2023 shows that Leiden University is taking its sustainability efforts seriously.

The plane trees from the forecourt of Cluster North have been moved to the Herta Mohr building (Cluster South). The trees could not remain in their original location because of the forthcoming renovation of Cluster North. They have been moved already in advance of the flowering season. In June, the…

It’s about much more than learning how to write a readable piece or give a presentation that doesn’t send the audience to sleep. The intensive Science Communication Summer School gives young scientists the chance to really make contact with the public.

Do you also love a city where nature can bloom, crawl and flutter freely and exuberantly? And do you fancy a challenge out in the fresh air? If so, grab your mobile and take part in the BioBlitz 'Higher Education is Flourishing' from 22 May.

From a meaningless block of plastic to an advanced component that contributes to the energy transition. The technicians and scientists of our faculty think it out in detail and make it a reality. This special project shows that they need each other.

Een internationaal consortium onder leiding van Olaf van Vliet heeft een Horizon Europe subsidie van 3,4 miljoen euro gewonnen. In het onderzoek staat centraal hoe wereldwijde sociale veranderingen zoals migratie, digitalisering en de klimaattransitie de arbeidsmarkt beïnvloeden en wat daar de gevolgen…

At the age of six, Barbara Gravendeel already knew what she wanted to be: a biologist. The seed was planted in the garden of her childhood home: an old orchard surrounded by a large hedge. Since 1 May, she has been the scientific director (prefect) of the Hortus botanicus in Leiden, and all the pieces…

The Party Catering Administration Office has special catering packages for the Faculty Club, and an overview is presented below.

Researchers from Leiden University Medical Center (LUMC) and the Leiden-based biotech company Ncardia have joined forces to develop a new platform that enables the automated production of 3D cardiac microtissues. This platform will allow large numbers of drugs to be tested quickly

From practicing ultrasound techniques in augmented reality to chatting with virtual ancient Greeks about what an archaeological site looked like back in the day: video & innovation specialist Nathan Saucier gives an insight into the many possibilities of the interactive media and simulations studio…

In ancient times, the desert in the Udhruh region in Jordan was transformed into a green oasis. An intricate network of underground water channels was part of an ancient system of water management, storing water and preventing loss through evaporation. Archaeologist Mark Driessen found a new way to…

The jade vine (Strongylodon macrobotrys) is flowering at the Hortus botanicus in Leiden. The plant started producing multiple flower clusters three weeks ago and the first ones are now in full bloom.

Leiden University is currently working on the new Gorlaeus Building, a sustainable modern building for the Faculty of Science. To make room for the phase 2A construction work, a plane tree of over 20 metres in height was moved on 17 December. The tree has been conserved. Its new home will be on the…

Work has begun on an accommodation complex for international PhD candidates and postdocs at the Leiden Bio Science Park.

Eight university vegetable patches will soon join the display at the Hortus botanicus. The sun shone down on almost 40 enthusiastic students and staff as they started work on the new Community Garden there earlier this month.

LION

As of 1 October Rob van Nieuwpoort is the new professor of Efficient Computing and eScience at the Leiden Institute of Advanced Computer Science (LIACS). Van Nieuwpoort brings with him a wealth of expertise: he is an expert in eScience, high performace computing and advanced algorithms.

How do you combine the growth of wind energy with the protection of vulnerable seabirds? With her master’s thesis on this delicate balance, Sofie Hajer won the 2025 Unilever Research Prize. Her work provides new insights into how ecology and policy can strengthen each other.

In the new video series 'The World of Linguistics', alumni and academics talk about their passion for their field. Student Aline-Priscillia is particularly curious about how language is processed in the brain.

From the energy transition in Namibia to sustainable jobs for young Nigerians, from African cookbooks to vodcasts on vintage Swahili booklets: during a recent visit by the Executive Board, staff from the African Studies Centre Leiden and the African Library presented their research, teaching and acquisition…

Hans van den Berg, CEO of Tata Steel NL, is in the eye of the storm. He continues to believe in connection, debate and knowledge that will make green steel possible.

In the fight for a liveable planet, we desperately need a fairer distribution of wealth and equal rights for all, argues anthropology professor Marja Spierenburg. ‘That will also generate broad-based support for sustainable development.’

Healthy communal meals that also prevent food waste. On 4 March, Hague alderman Robert Barker came to see what was cooking at the LUC Community Kitchen, a partnership between students and The Hague Market.

Green cities and a well-protected food system: Roy Remme and Oliver Taherzadeh study ways to achieve these. But how can their scientific findings lead to societal change? They share their experiences with science-policy initiatives.

With the long lockdown, it’s been a hard year for Leiden businesses. How can the local economy bounce back and how can the University help? Two talk shows discussing this were recently recorded in the Academy Building. They will be aired on Unity TV on 28 September and 12 October.

Botanisch filosoof Norbert Peeters vertelt over hoe mensen omgaan met planten in het algemeen, en met onkruid in het bijzonder.

Micah DenBraber studied at Leiden University College in The Hague while pursuing an internship at the World Resources Institute (WRI), a self-proclaimed ‘think-and-do-tank’, where he built partnerships with the philanthropic sector, among other things.

Leiden University and Stadslab Leiden invite you to improve the Leiden and The Hague environment with 450 extra trees – a living reminder of 450 years since the Relief of Leiden and the foundation of Leiden University.

The Herta Mohr Building is leading the way in sustainable innovations, for both Leiden University buildings and beyond. It is the university’s first fully gas-free building and the new Thermal Energy Storage system alone will cut carbon emissions by 150,000 kg per year. The building has an ‘Excellent’…

How can we make our cities greener and more people-friendly? Two Campus The Hague projects have secured a grant from the Municipality of The Hague. The researchers and students from both projects are working with city residents to find sustainable solutions to local issues.

A festive and honourable visit to our southern neighbours for professor Marc Koper. On Thursday 23 March, he received an honorary doctorate at the University of Antwerp. Koper gets the title in recognition of his expertise in the field of electrochemistry. ‘An important recognition for our research…

Did you get a taste for recording local wildlife with Expeditie Stadsnatuur? Join the higher education BioBlitz and help us discover what is growing, crawling and fluttering on our campuses.

Now that the South Cluster is reaching its concluding phase, we are looking ahead to the next building to be developed in the context of the Humanities Campus: Matthias de Vrieshof (working title: North Cluster).

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…

Leiden University can build an alternative Humanities Campus on its own available land at the current location in the city. This is the conclusion of a feasibility study and is what the mayor and aldermen of Leiden write in a letter to the city council.

Veel mensen denken dat zware metalen giftig zijn en mens en natuur altijd schade aanbrengen. Dat beeld moet genuanceerd worden, vindt hoogleraar Sylvestre Bonnet.

Tom Schreuder has been appointed as the new Business Director of Hortus botanicus Leiden. Schreuder succeeds Peter Inklaar, who held the position for four years. Schreuder currently works as a Commercial Manager at Keukenhof and brings a wealth of experience from that role. He will start his new position…

Het Leiden Leadership Centre (LLC) neemt deel aan het Enabling City Transformation Programme. Samen met de Gemeente Den Haag en andere lokale partners zet het LLC zich in om bewoners en gemeenschappen te betrekken bij de transitie naar een klimaat neutrale stad.

Jorrit Rijpma, Professor of European Law, together with Greek independent researcher Apostolis Fotiadis, investigated the European Commission’s enforcement powers in relation to fundamental rights compliance at Europe’s external borders. The study was commissioned and funded by the Greens Group of the…

Atte Ahola, who graduated last year from the bachelor’s programme in Urban Studies, has won the award for Best Undergraduate Thesis in Europe in the category of Earth and Environmental Sciences at the Global Undergraduate Awards 2025.

After months of renovating, refreshing, and rearranging, the educational environment in the Basement will be back in use starting 28 October 2024.

Professor Marc Koper researches how you can use electrical energy to make or break chemical bonds. He has just been awarded a Spinoza Prize, the Netherlands’ highest personal science award, for his fundamental research into how this form of electrolysis works.

Since 24 March, the Kamerlingh Onnes Building of the Faculty of Law has been full of hundreds of colourful jellyfish. But behind that enchanting sight is a serious message: the exhibition symbolises the loss of biodiversity in the oceans due to climate change.

Over the next few years, the Pieter de la Court building will be refurbished. This summer, the first to be tackled is the basement. What will happen?

Organisation

Koos Biesmeijer, Professor of Natural Capital, and Claire van Megen, an Educational and Child Studies student, are in with a chance of winning Leiden’s Person of the Year title.