Promotores: H.A. Udo De Haes, P.M. Brakefield

This thesis addresses the challenge of sustainable urban development by analyzing the interplay between green and grey infrastructure to optimize resource use and ecosystem services.

Freshwater and brackish water ecosystems are arguably the most vulnerable ecosystems on earth, due to concentrated human developments in and around them. The Pontocaspian (PC) region located at the border of Europe and Asia contains a variety of brackish water ecosystems and unique inhabitants, known…

Living labs make it possible for citizens to participate in research for sustainable development of their environment. This way citizens, together with scientists and stakeholders, create local conditions for food production, healthy environment, and biodiversity.

Freshwater is an important resource, but at a great risk of species decline due to habitat loss, pollution and over-exploitation, and invasive alien species.

On this section of the website you can find more information about the Old Observatory and the current astronomy research institute.

Anthropogenic noise negatively affects wildlife in a wide range of taxonomic groups.

This study stresses the importance of investigating vitamin D deficiency in every community to better understand the deteriorating effect that sociocultural practices may have had on health.

The Honours Academy offers extra opportunities for students and teachers at Leiden University.

How do technological systems impact the environment? And can they be designed in a more sustainable way? The Resources and Energy research program studies the importance of resources and energy for our society and aims to guide the shift towards a sustainable circular economy.

Hydrodesulfurization (HDS) is an ubiquitous part of oil refining that ensures that fuels are cleaned of impurities and environment release of pollutants such as SOx and NOx gasses are minimized.

On 19 May 2020, Xuechan Ma defended her thesis 'Moving towards Coexistence and Cooperation: The Spratly Islands and International Law'. The doctoral research was supervised by Prof. N.J. Schrijver.

The marine shipping industry is one of the strongest emitters of nitrogen oxides (NOx), a pollutant detrimental to ecology and human health. Over the last 20 years, the pollution produced by power plants, the industry sector, and cars has been decreasing.

This thesis describes the role of pollution, specifically neonicotinoid insecticides, as an actor of the ongoing biodiversity decline.

The Grachtwacht (Canal Watch) conducts research on urban wildlife and the impact of plastic on nature. With our clean-ups, we not only collect waste, but also data. This way we try to find out the source of the waste and turn off the tap on shore. This way there is structurally less plastic in the c…

Galaxies are environments where gas coalesces, cools, and is converted into stars. However, it remains unclear the exact mechanisms through which galaxies acquire, redistribute and lose their gas.

Leidse milieuwetenschappers doen onderzoek naar microplastics, bestrijdingsmiddelen en bemesting. En binnenkort naar lichtvervuiling en nieuwe materialen uit de nanotechnologie.

The most urgent sustainability challenges, such as climate change, biodiversity loss, resource depletion, and pollution, are complex issues that concern society as a whole. This means that among employers there is a growing demand for graduates who are able to combine both scientific and social knowledge,…

This thesis investigates reactive interfaces in surface science across three domains: heterogeneous catalysis, environmental nanoplastics, and two-dimensional materials.

Are you passionate about our planet? Are you keen to find solutions to environmental problems that make a real impact? Do you feel that either natural sciences or social sciences by themselves are not enough to tackle today’s complex sustainability issues? Then Science for Sustainable Societies at Leiden…

Indonesian Law and Reality in the Mahakam Delta

This study focuses on the local level impacts of a highly globalised industry: the international trade in tropical timber.

The mission of our group is understanding how science communication works to improve the interaction between science and society. We believe better science communication can improve our society and engage many different groups with science, also improving science.

Are you curious about how science and technology contribute to a sustainable and innovative future? At Leiden University, you’ll explore the world of data, natural laws and living systems. From mathematics to artificial intelligence, from climate challenges to high-tech innovation: you’ll learn to analyse…

Are you curious about how health, behaviour and our living environment are connected? At Leiden University, you’ll explore how people grow up, age and live together in a changing world. From mental health to sustainable cities, from lifestyle to healthcare policy: you’ll learn to understand societal…

A place where scientists and students from Leiden University and residents of The Hague come together to create innovative solutions for sustainable living in the city: that's what the Sustainable City Lab aims to be. When we talk about "sustainable living" we think of many different things. For example:…

The rise and fall of the cesspit in an urban context

Are you curious about how science and technology contribute to a sustainable and innovative future? At Leiden University, you’ll explore the world of data, natural laws and living systems. From mathematics to artificial intelligence, from climate challenges to high-tech innovation: you’ll learn to analyse…

Are you curious about how health, behaviour and our living environment are connected? At Leiden University, you’ll explore how people grow up, age and live together in a changing world. From mental health to sustainable cities, from lifestyle to healthcare policy: you’ll learn to understand societal…

We perform multidisciplinary research at molecular, cellular, and organismal levels of animal biology to increase fundamental understanding of health and disease.

The world is becoming clogged with plastic, with tiny plastic particles found everywhere, from the oceans’ depths to the mountain tops, soil, plants, animals and even inside us. The question is: what harm, if any, are they causing? In a new article on The Conversation, environmental scientists Meiru…

CitiObs will consolidate and apply tools and practice-based knowledge for co-creating data, knowledge and local action regarding the environmental impacts of climate change and human activity in the urban context via Citizen Observatories.

How is law shaped by and shaping social, political and economic change in Indonesia?

What is the effect of pesticides, fertilizers or plastic on water quality? And how do wind and rain affect the data? These are just some of the things that Leiden environmental scientists study in the 32 ditches of the Living Lab.

Making predictions about emotional problems or the effects of air pollution: Marjolein Fokkema’s algorithms are getting better at this all the time. She is making her algorithms increasingly flexible, so they can predict not just characteristics at one particular moment, but also how skills, for example,…

In the Science for Sustainable Societies programme, you will develop the expertise with which you can contribute to a more sustainable world. You will develop a sound knowledge base in the relevant disciplines of natural and social sciences and gain an innovative perspective on environmental and sustainability…

This project is part of a broader research agenda aiming to better understand the relationships between the development of contemporary security concerns and the evolution of forms of security cooperation and crisis governance.

The Journal of Global Slavery (JGS) aims to advance and promote a greater understanding of slavery and post-slavery from comparative, transregional, and/or global perspectives. It especially underscores the global and globalizing nature of slavery in world history.

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Onlangs verscheen het boek ‘Afgrond zonder vangnet’ van Yra van Dijk, hoogleraar Moderne Nederlandse Literatuur. In haar boek analyseert ze verschillende thema's in het werk van Arnon Grunberg.

The Leiden Greek and Roman History Team concentrates on the study of the economies, societies and cultures of the large empires of the Graeco-Roman world, starting with the empires of Alexander the Great and his successors.

The research group Science Communication and Society has been physically within the Institute of Biology (IBL) since 2012 and has become a formal part of the institute in 2018. The mission of this group is understanding how science communication works to improve the interaction between science and s…

Have you spotted the special voting bins on campus yet? Send us your suggestions for challenging, non-scientific questions and who knows? Your burning question might just be the next butt-kicker!

Five talks will be given during the Leiden Science Family Day: two children's lectures and three lectures for adults. Will you be there ?

At Leiden University, in both our biomedical and biological research, we use laboratory animals. Learn more about these specific areas of research and the goals we aim to achieve through these studies.