Preventing or delaying disease often requires lifestyle changes, which turns out to be difficult. Valentijn Visch and Sandra van Dijk are researching how to help people change their behaviour.

On Friday 12 November 2021, the Net Zero Space initiative was launched at the Paris Peace Forum. The International Institute of Air and Space Law (IIASL) of Leiden University is one of the first supporters to the initiative.

Science, Institute of Biology Leiden (IBL), Microbial Sciences

Some thirty Leiden students balanced on SUP boards for the Supping for Sustainability Lustrum activity. Together with alumnus Merijn Tinga, better known as the Plastic Soup Surfer, they paddled their boards through the Leiden canals and waterways, fishing plastic waste out of the water.

Science, Leiden Institute of Chemistry (LIC)

Leiden University has taken eighth place in this year’s SustainaBul, the sustainability ranking for universities and universities of applied sciences in the Netherlands. It was in 18th place last year.

Would you like to take concrete steps toward a sustainable university or do you have a broad interest in sustainability? Over 200 staff members have already joined the Leiden University Sustainability Network. And there is always room for more – even if you’re no expert on sustainability, says project…

Leiden University and the Municipality of The Hague signed a collaboration agreement on sustainability on 1 November. Their main goals are to build a network, share knowledge and explore the possibilities of a Climate Centre for the people of The Hague.

Education

Freezers set three degrees higher, a recycling bin for plastic petri dishes or timer switches installed on equipment: a growing number of Leiden University laboratories are taking small – but effective – steps to reduce their environmental impact, via the internationally recognized Laboratory Efficiency…

Research

Buurtlab 070 is a new Leiden University project in which residents, researchers and students from The Hague work together on climate, sustainability and biodiversity solutions. What do they expect of the lab?

On Friday June 2, the Liveable Planet event 'Interdisciplinary Collaborations - Food, Sustainability & Health' will take place. Here, researchers can learn everything about how to set up successful interdisciplinary collaborations. Why should you attend this event? We’ll give you three reasons.

The Advisory Committee on Public International Law (Dutch abbreviation CAVV) is an independent body which provides the government and parliament of the Netherlands with advice, both solicited and unsolicited, on issues related to public international law.

Is aviation on a one-way journey or a round trip? That is the question Steven Truxal will answer in his inaugural lecture From Disruption to Innovation in Air and Space: Legal Solutions for a Sustainable Future on Monday 15 November. This professor of air and space law is positive. That’s one thing…

A live online New Year’s event on Tuesday 12 January marked the start of the New Year. Dean Joanne van der Leun toasted 2021 and as usual at this event, the annual Meijers prizes and thesis prizes were awarded.

What do you do if you want to reach the widest possible consensus on a decision, ensuring it represents all the feelings and ideas within your team? The Centre for Science and Technology Studies (CWTS) tried the Deep Democracy method. It proved successful: ‘Everyone had a say without us getting stuck…

Sixteen researchers at Leiden University are to receive a Veni grant from the Netherlands Organisation for Scientific Research (NWO). These awards offer promising young researchers the opportunity to further develop their own ideas over a period of three years.

The Executive Board is visiting the university’s institutes to find out what is going on. On 8 July 2025, it was the turn of the Institute of Environmental Sciences (CML), one of the fastest-growing institutes at Leiden University. ‘Our main aim is to preserve our planet for future generations.’

At the Netherlands National Open Science Festival in Rotterdam, 400 people with a heart for research and sharing knowledge came together — including many Leiden University employees. Four colleagues told us about their Festival experience, and their work to practice Open Science at Leiden University…