CLEAR-LDN: Community-Level Exposure to Air Risk in London

Tuesday 17 February 2026

CLEAR-LDN: Community-Level Exposure to Air Risk in London is an exciting new Camden-based project commencing in 2026, conducted by researchers at the London School of Economics (LSE) and Georgetown University, in partnership with Camden Council. The project is exploring Camden residents’ exposure to air pollution throughout their daily lives and hopes to understand how this changes according to location, time of day, routine, and more. The study will expand our understanding of people’s daily exposure to air pollution and could help to improve people’s knowledge about their own personal exposure.

We are inviting Camden residents to take part in this exciting project. Participants will be given a small portable device that monitors air quality on the go. Participants will be asked to carry this device with them for four weeks, whenever possible (when at home, at work, commuting, socialising, etc). You will also be asked to complete a survey before and following the project, which will ask you some questions about your household, your routine and work patterns, and the setup in your home, as well as some demographic questions.

If you are interested in taking part in this research and have received a letter from Camden Council inviting you to participate, please click here to register your interest by completing a short survey.

Why take part?

Participating in this study will put you at the forefront of scientific knowledge production and could have important contributions to policymaking and the development of evidence-based efforts to improve public health.

What will I get out of the project?

At the end of the project, we will thank you for your time with a voucher payment of up to £50. At a minimum, this voucher will be £20, but will increase in value the more you remember to keep your device charged and with you.
You will also receive a personalised report of your pollution exposure over the course of the project, which will help you understand your levels of exposure and its possible drivers.

If you have any questions or concerns regarding the study, you can email our team at geog.iaq@lse.ac.uk.

The research team

Sefi Roth
Sefi Roth is an Associate Professor of Environmental Economics in the Department of Geography and Environment at LSE. He is also the founder and co-leader of the Economics of Air Pollution (EAP) research group at the Grantham Research Institute on Climate Change and the Environment and a Research Affiliate at IZA.
His research mainly concentrates on the economics of air pollution, exploring the impacts of ambient and indoor air pollution on health, human capital, crime, the housing market, and the economy more broadly. Sefi holds a Ph.D. in Economics from Royal Holloway, University of London.
Arik Levinson
Arik Levinson is a Professor of Economics at Georgetown University and a Research Associate at the National Bureau of Economic Research. He is currently one of the editors of the Journal of the Association of Environmental and Resource Economists. He previously served as Deputy Assistant Secretary for Climate and Energy Economics at the U.S. Department of the Treasury, and as a Senior Economist at the White House Council of Economic Advisers.
Arik’s recent projects calculate the degree to which industrialized countries have been offshoring their most polluting economic activities, and evaluate the way some industries and the U.S. government have proposed to calculate carbon emissions caused by grid-connected electricity use.
Lutz Sager
Lutz Sager is an Assistant Professor of Economics at ESSEC Business School. He was previously a faculty member at Georgetown University and is a Visiting Fellow at the London School of Economics and a Research Fellow of the CESifo Network. In his research, Lutz examines the costs of and solutions to environmental pollution. His work highlights distributional considerations, looking for policy instruments that are both effective and equitable.
Kofi Broadhurst
Kofi Broadhurst graduated from the London School of Economics and Political Science in 2022 with a BSc in Environment and Development and is now completing a PhD in Sociology at the University of Cambridge, funded by the Economic and Social Research Council. Her research focuses upon whiteness, identity and nationhood in rural England, engaging with ideas of (de)coloniality, Critical Race Theory, marginality, and identity. Outside of her personal research, Kofi has worked as a Research Assistant on several projects exploring air quality in the UK over the last four years and is currently working as the Senior Research Assistant on the CLEAR-LDN project.
Prakriti Maheshwari
Prakriti Maheshwari is studying BSc Environment and Sustainable Development with Economics at the London School of Economics and Political Science. She is working as Undergraduate Research Fellow on this project.