Promotor: Prof.dr. G.R. de Snoo, Prof.dr. G.A. Persoon

The expanding population and economic activity are driving up global energy consumption. Simultaneously, there is an urgent need to transition from fossil fuels to renewable sources to mitigate the climate crisis, primarily caused by fossil fuel combustion.

A new study on the province level material footprint of China underscores the need to improve resource efficiency in the country, which would be crucial for moving to a circular economy. The research carried out by researchers from Tsinghua University in Beijing, China and Leiden University was published…

The new Master’s programme in Public Sector Economics (MSc Economics) prepares you to become the policy economist of the future. The programme enables you to bridge the gap between economic theories, scientific methods, the functioning of Dutch institutions and policy processes, as well as current societal…

The first international master programme in Industrial Ecology worldwide starting in September 2011.

Promotors: Prof.dr. G.R. de Snoo, Prof.dr. H. Leirs (Univ. Antwerpen), Co-promotor: H.H. de Iongh

Reuse everything and stop producing waste. By 2050, the Netherlands should have a circular economy. However, the new Integral Circular Economy Report by the Netherlands Environmental Assessment Agency (PBL) shows that there is still a long way to go. For the report, the Institute of Environmental Sciences…

The World of the Fullo takes a detailed look at the fullers, craftsmen who dealt with high-quality garments, of Roman Italy. Analyzing the social and economic worlds in which the fullers lived and worked, it tells the story of their economic circumstances, the way they organized their workshops, the…

This thesis combines field and laboratory studies to address some of the most pressing questions in the field of microplastic research.

To conclude, this thesis provides valuable methodological insights to address data gaps and improve environmental impact assessments within the circular economy, with a particular focus on product reuse and sharing practices. Through empirical analysis and innovative approaches, it aims to support informed…

The role of material production as a driver of environmental impacts is increasing, which calls for a better understanding of global material flows. This thesis explores the role of in-use stocks of products, buildings and infrastructure as a key driver of global material demand and discusses the implications…

Promotores: G.R. de Snoo, B. Sinsin, Co-Promotor: H.H. de Iongh

The Global Transformations and Governance Challenges Programme hosts a range of international academic gatherings.

Can we predict fluctuations in suicidal ideation in a person’s daily life, from hour to hour?

Acidobacteria is a widely distributed phylum but their functional roles in ecosystem processes are still largely elusive.

Some governments and companies are pursuing a more circular economy, but what is the best way to get there? An international group of industrial ecology researchers wrote a report that stresses the importance of including the scientific side into policies and practices. ‘We feel an obligation to support…

Jaroslaw Kantorowicz and Rok Spruk examine the contribution of institutional reforms to economic growth.

As Bolivia reels from the collapse of the government in November 2019, a wave of social protests, and now the impact of Covid-19, this book asks: where next for Bolivia?

Door het coronavirus is een groot deel van de economie stilgevallen. De regering heeft sommige activiteiten verboden, veel bedrijven hebben vrijwillig op de pauzeknop geduwd. Wie bepaalt wanneer we weer terugschakelen naar 'normaal' en hoe zou dat proces moeten verlopen?

A MSCA Global Fellowship that aims to explore the socioeconomic and environmental implications of a Latin America circularity transition, and its impact on the EU and global economy.

On 15 February 2022, Morshed Mannan defended the thesis 'The Emergence of Democratic Firms in the Platform Economy: Drivers, Obstacles, and the Path Ahead'. The doctoral research was supervised by Prof. I.S. Wuisman and Prof. J.A.A. Adriaanse.

It’s Circular Economy Week, from 1 to 6 February. But what is it that makes an economy circular? And just how circular is our university? René Kleijn, lecturer on the honours class Circular Economy: from challenge to opportunity, explains.

How can we organise society so as to keep our planet habitable for us and for all other life forms around us? To answer this question, Leiden researchers collaborate across disciplines, from biology to data science, and from environmental economy to archaeology.

A circular economy in which all resources are reused is a prerequisite for a sustainable world. As EU president, the Netherlands can give a firm impetus to this economic shift. This is the message of Leiden Professor of Industrial Ecology, Arnold Tukker, in his inaugural lecture on 26 February.

On 29 June May 2022 Yujing Tan successfully defended a doctoral thesis and graduated.

What mismatch of socioeconomic and environmental values is preventing Circular Collaboration in Dutch housing renovations?

Are we on the right track towards a circular economy in 2050, with fully renewable energy technology and circular construction? The CML of Leiden University, together with the Netherlands Environmental Assessment Agency (PBL), TNO, Utrecht University and RIVM, is investigating what is needed to achieve…

This book closely analyses the rise and fall of Louis XIV's marine insurance institutions in Paris, which were central to the French monarchy's efforts to stimulate commerce, colonial enterprise and economic growth.

On 22 January 2018, the Massive Open Online Course ’A Circular Economy of Metals: Towards a Sustainable Societal Metabolism’ kicks off. This course is developed and taught by associate professor Ester van der Voet.

Do offshore windfarms affect the local biodiversity of the pelagic fish community and are fish deterred or attracted by sounds?

An international consortium headed by the Leiden-Delft-Erasmus Centre for Sustainability has been awarded a subsidy for research on the circular economy where all raw materials are recycled.

On 12 November, Clare Fenwick defended her doctoral thesis, The Political Economy of Immigration and Welfare State Reform: A Collection of Comparative Political and Economic Essays on Human Mobility and Social Protection. The PhD research was supervised by Olaf van Vliet and Kees Goudswaard.

Institute of Environmental Sciences (CML)

How can we speed up the transition from large cities to a circular metropolis? This is the question that Leiden students and former students Elsemieke, Fabian and Eveline are getting their teeth into. They and seventeen other young academics are taking part in the National ThinkTank and they have four…

On 22 April 2022, Jan Aart Scholte presented his research to the Leiden Political Economy Group (L-PEG) and to GTGC's thematic area on Economy during a research seminar. The title of the presentation was 'Inequality and Legitimacy in Global Governance'.

The province of Zuid-Holland faces a wide range of global sustainability issues caused by urbanisation, intensive horticulture and industry. The universities of Leiden, Delft and Rotterdam have the in-house expertise to define knowledge questions, set up research programmes and test results, says Prof.…

A sustainable resource management is an essential aspect to satisfy the current human needs without compromising the needs of future generations.

An interdisciplinary and innovative research group combining History, underwater archaeology, GIS and wood provenancing methods.