Cotton is the most widely used natural fibre for clothes. But how polluting are our jeans and shirts actually? Environmental scientist Laura Scherer coordinated an international research project on the impacts of cotton. ‘The purchases of consumers in Europe can contribute to water scarcity in China…

Who knows more about environmental governance: a professor of natural resource governance or a local shaman in the remote uplands of Myanmar?

On top of the Gorlaeus Building’s bike parking sits a hidden green surprise: Leiden’s largest rooftop garden. Since this academic year, the garden has been open to all students and staff.

Its idyllic setting and white sandy beaches have made the Maldives a hotspot for tourists. This provides an income but is a problem for the fragile natural environment. Students from various universities worked with the local people to make the soil more fertile. How did they go about it?

We hebben 6 van de 9 grenzen overschreden die bepalen of menselijk leven in de komende generaties nog mogelijk is op aarde. Kunnen we het tij nog keren?

Aoife Fleming attended the climate summit in Glasgow as UN Youth Delegate for the Netherlands. She recently graduated with a master’s degree in Financial Law.

The university strives to create a pleasant working environment for everyone. From terms of employment to health and development: here you will find the right information and support.

Students at research universities and universities of applied sciences are positive about their lecturers’ expertise and the atmosphere within their programmes. Almost one-third report experiencing excessive academic pressure. These are the findings of the 2026 National Student Survey.

Students can sometimes use a bit of extra help with their studies and personal development. Here you can read about how you as a lecturer, study adviser, mentor or other student-facing staff member can support students’ well-being.

PhD defence

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…

The Leiden municipality wants to make the city centre climate-proof and combat heat stress by greening it. But they want to do this in a way that does justice to the city’s heritage. Researcher Fenna IJtsma delves into historical greenery to offer inspiration.

Study information, Workshop

Lecture, Studium Generale

From 3 to 13 December you can see the exhibition Plastic Justice at the Kamerlingh Onnes Building. Esther Kentin, coördinator of the Leiden Advocacy Project on Plastic, saw the exhibition at the Plastic Health Summit and initiated a collaboration with the Royal Academy of Art in The Hague.

Rich countries are getting richer because of environmentally polluting (construction) investments from the past, largely at the expense of poor countries. This was shown by long-term economic and environmental data. 'The gap between poor and rich countries is widening.' Scientists from the Leiden Institute…

Study information, Workshop

Environmental scientist Rutger Hoekstra addressed the General Assembly of the United Nations on 12 April. And that’s quite a big thing to do. How do you get there as a scientist? And, more importantly, what was his message? In eight questions, Rutger explains what he does and why.

At the first Climate Café of 2025, we celebrated the one-year anniversary of The Hague Climate Agreement and reflected together on the successes and opportunities for the future.

De klimaattransitie is in volle gang: de vervuilende industrie moet plaatsmaken voor duurzame productiemethoden. Werknemers in deze industrie zullen hierdoor nieuwe banen moeten vinden. Dat zal niet iedereen lukken. Heb oog voor die groep, waarschuwt politiek econoom Lars van Doorn.

Personal development, Working effectively

Are you a PhD candidate, and is there something you’d prefer to discuss with someone other than your thesis director or supervisor? The confidential counsellor for PhD candidates is here to help. You can speak to him/her in confidence and receive advice. If you experience symptoms of physical or mental…

The gas prices now exceed 300 euros per megawatt hour – a record. The transition from fossil (natural gas, coal, oil) to renewable energy is needed and soon. But how do you get a society (and its citizens) to switch to sustainable energy?

The new government needs to look further ahead, says environmental scientist Rutger Hoekstra. ‘We keep pushing forward big dossiers like demographic ageing, climate and migration. Even though we know they play a big role in our future.’ Hoekstra therefore hopes that the new coalition agreement will…