News
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This new programme prepares students for today's sustainability challengesSUSTAINABILITY DAY 08 October 2025How often do you consider the impact of your choices? 10 October is Sustainability Day: a good time to introduce the new bachelor's programme Science ...
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From entrepreneur to Director of Operations: ‘I’ve grown along with the institute’New in the CML’s leadership team 22 September 2025He started out as a temporary staff member at the CML’s education office, and now – eight years later – Jasper Williams is the institute’s new Directo...
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Plastics are causing stress to crops (and biodegradable alternatives do too)PHD 11 September 2025Micro- and nanoplastics cause stress to crops such as lettuce and carrots, PhD candidate Laura Julia Zantis found. This can lead to reduced growth and...
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Sustainability Challenge: students trace plastic pellet pollution in the Port of RotterdamLDE Sustainability Honours 08 September 2025In the Port of Rotterdam, tiny industrial pellets leak into the environment, causing a form of pollution that’s hard to trace but highly persistent. T...
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Professor argues: ‘Let nature take its course’31 July 2025Give organisms like plants and animals the freedom to move, interact and meet their own needs, and they will thrive on their own, says Professor Geert...
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For city dwellers, even 15 minutes in nature can improve mental health30 July 2025Green spaces boost mental health—especially in busy cities. A new study from Leiden and Stanford University reveals how nature benefits urban well-bei...
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Leiden scientists join national effort to advance nanomedicine10 July 2025A Dutch consortium has received €6.7 million to accelerate the development of nanomedicines together with patients. Researchers from Leiden University...
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These students are showing how the Groene Hart can become a little greener10 July 2025Should we be growing rice and building materials instead of grass for cows? From invasive crayfish to cultural heritage and groundwater levels: ten gr...
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Leideners find more than 2,000 species in urban biodiversity inventoryBiodiversity 30 June 2025Around 1,300 Leideners found 2,265 species during the Expeditie Stadsnutuur urban biodiversity inventory. ‘It’s been a huge success’, says scientific ...
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René Kleijn joins UN panel on resource use30 June 2025How can we manage our natural resources more sustainably? That’s the key question behind the United Nations’ International Resource Panel (IRP). The p...
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Sterre won an award for her research on how CO₂ is changing our foodThesis prize 12 June 2025Sterre ter Haar has won the Rachel Carson Graduation Prize for her thesis on how rising levels of CO₂ affect the nutrient content of plants. For the I...
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Wolves in the Netherlands feed mainly on wild animals – but also target grazing cattle in areas with less preyResearch 20 May 2025Wolves in the Netherlands mainly feed on wild animals such as wild boar and red and roe deer. But in areas such as Drenthe where these are scarce they...
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You too can improve biodiversity in your local areaEnvironmental Sciences 16 May 2025During a recent event, the Leiden Institute of Environmental Sciences presented the breadth of its research on biodiversity. And Chairman of the Boar...
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In search of an alternative to GDP that actually measures happiness and well-beingChangemakers 13 May 2025How do you really measure how a country is doing? Researcher Annegeke Jansen is looking for alternatives to gross domestic product (GDP) to assess the...
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Lianas are taking over the rainforests – and it’s visible from space06 May 2025A pandemic of lianas is sweeping through tropical forests, reducing their ability to store carbon and limiting their role in mitigating climate change...