Climate change, health and well-being in urbanising Southeast Asia

Precarious outdoor workers in urban megacities, especially in the global South, are among the most exposed to climate change impacts. In Vietnam, where rapid urbanisation and a large informal workforce shape the landscape, outdoor workers face heightened health risks due to extreme weather conditions. These conditions are worsening with climate change, the risks are underexplored, and the policies to address these risks are still in early development.
The project “The health impacts of climate change on precarious outdoor workers in megacities in Vietnam,” funded by the Wellcome Trust, sought to fill critical knowledge gaps by exploring the health vulnerabilities and climate-related risks faced by outdoor workers in urban Vietnam. In partnership with the University of Bristol, SocialLife Research Institute, Vietnam Medical Association, Institute for Development & Community Health LIGHT, and local worker communities in Vietnam, this research is producing new evidence-based insights to inform policy solutions on the climate change-induced health risks faced by vulnerable outdoor workers in urban contexts. These findings will help policymakers devise interventions that align with the realities of outdoor workers' lives and working conditions.
To launch the project, we hosted a one-day event that brought together key stakeholders, including government officials, academics, experts, practitioners, civil society, and funders. The event showcased some preliminary findings, highlighted the project's significance, and facilitated in-depth discussions on the challenges and opportunities associated with addressing climate change-related health risks in the global South.
Sherman Tai is a Senior Researcher at the National Centre for Social Research (NatCen). He is working on a project funded by the Wellcome Trust Climate Impacts Award entitled 'The health impacts of climate change on precarious outdoor workers in urban megacities in Vietnam' (2023-2026). He conducted a systematic review to identify research gaps and is analysing a survey (n ≈ 400) using linear and logistic regression to explore the social determinants of climate-related health risks among workers. He also contributed to the evaluation of Bankee, an educational intervention in Kuwait aimed at improving primary school pupils' financial literacy. He led on the quantitative pre-post outcomes evaluation to assess pupils' "distance-travelled" before and after the intervention by comparing baseline and endline surveys (n ≈ 1200); and is currently designing and validating a survey of teachers to be used in future evaluations.
Prior to joining NatCen, Sherman was an Associate at PwC Hong Kong. He holds an MSc in Political Sociology from the London School of Economics and a BSocSci in Government from the Chinese University of Hong Kong. He spent a year at the University of Warwick as an exchange student in Politics and International Studies.
Sokratis is Director of Health Policy at NatCen. He is a Chartered Psychologist and an Associate Fellow of the British Psychological Society. He has been responsible for the design and management of research projects, including national surveys, qualitative studies and systematic reviews and evaluations in the field of gambling harm, health risk profiles and epidemiology.
He has managed the design of national evaluation projects related to the effectiveness of mental health, social services, and policy initiatives in the UK. This includes an evaluation of the Credit Card Ban for Gambling in Great Britain and evaluation of the Voluntary, Community, and Social Enterprise Covid-19 Emergency Funding Package on behalf of DCMS.
Sokratis also led a project to improve understanding of how patterns of online play relate to the potential for gambling harm. This involved the collection of account-based data from several gambling operators. He led the chapter on mental health inequalities in the DHSC’s White Paper and has also reviewed large grants for ESRC and NIHR as well as academic publications for several journals.
Debbie is the Head of NatCen’s Methodology and Innovation Hub, specialising in survey design. As a methodologist, she has extensive expertise in survey design, questionnaire development, question testing, and survey measurement. She has contributed to some of the UK's most high-profile surveys, delivering evidence-based design recommendations for a wide range of clients.
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