World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
73
Citations
22111
World Ranking
1400
National Ranking
597

Overview

Thomas Clasen is affiliated with Emory University in the United States and specializes in environmental science with a focus on health, toxicology, mutagenesis, pollution, nutrition and dietetics, renewable energy, sustainability, environment, sociology, and political science.

Their research covers several main topics including:

  • Energy and Environment Impacts
  • Air Quality and Health Impacts
  • Child Nutrition and Water Access
  • Climate Change and Health Impacts
  • Energy, Environment, and Transportation Policies
  • Fecal contamination and water quality
  • Global Maternal and Child Health

Frequent co-authors in their work are Jennifer L. Peel, William Checkley, Kalpana Balakrishnan, Lisa M. Thompson, and Anaité Díaz-Artiga.

Thomas Clasen has contributed publications to various scholarly venues, including:

  • ISEE Conference Abstracts
  • bioRxiv (Cold Spring Harbor Laboratory)
  • SSRN Electronic Journal
  • International Journal of Environmental Research and Public Health
  • Environmental Health Perspectives

Among their recent papers are:

  • "Effectiveness of interventions to improve drinking water, sanitation, and handwashing with soap on risk of diarrhoeal disease in children in low-income and middle-income settings: a systematic review and meta-analysis," published in 2022 in The Lancet
  • "Burden of disease attributable to unsafe drinking water, sanitation, and hygiene in domestic settings: a global analysis for selected adverse health outcomes," published in 2023 in The Lancet
  • "Municipal Solid Waste Management and Adverse Health Outcomes: A Systematic Review," published in 2021 in International Journal of Environmental Research and Public Health
  • "Design and Rationale of the HAPIN Study: A Multicountry Randomized Controlled Trial to Assess the Effect of Liquefied Petroleum Gas Stove and Continuous Fuel Distribution," published in 2020 in Environmental Health Perspectives
  • "Air pollution and stunting: a missing link?," published in 2020 in The Lancet Global Health

Best Publications

  • Burden of disease from inadequate water, sanitation and hygiene in low- and middle-income settings: a retrospective analysis of data from 145 countries

    Annette Prüss-Ustün;Jamie K. Bartram;Thomas Clasen;John M. Colford

  • Burden of disease from inadequate water, sanitation and hygiene for selected adverse health outcomes: An updated analysis with a focus on low- and middle-income countries.

    Annette Prüss-Ustün;Jennyfer Wolf;Jamie Bartram;Thomas Clasen

  • Interventions to improve water quality for preventing diarrhoea: systematic review and meta-analysis

    Thomas Clasen;Wolf-Peter Schmidt;Taber Rabie;Ian G. Roberts

  • Interventions to improve water quality for preventing diarrhoea

    Thomas F Clasen;Kelly T Alexander;David Sinclair;Sophie Boisson

  • Effects of water quality, sanitation, handwashing, and nutritional interventions on diarrhoea and child growth in rural Bangladesh: a cluster randomised controlled trial.

    Stephen P Luby;Mahbubur Rahman;Benjamin F Arnold;Leanne Unicomb

  • Effectiveness of a rural sanitation programme on diarrhoea, soil-transmitted helminth infection, and child malnutrition in Odisha, India: a cluster-randomised trial

    Thomas Clasen;Thomas Clasen;Sophie Boisson;Parimita Routray;Belen Torondel

  • Assessing the impact of drinking water and sanitation on diarrhoeal disease in low- and middle-income settings: systematic review and meta-regression.

    Jennyfer Wolf;Jennyfer Wolf;Jennyfer Wolf;Annette Prüss-Ustün;Oliver Cumming;Jamie Bartram

  • Impact of drinking water, sanitation and handwashing with soap on childhood diarrhoeal disease: updated meta-analysis and meta-regression

    Jennyfer Wolf;Paul R. Hunter;Paul R. Hunter;Matthew C. Freeman;Oliver Cumming

  • The impact of sanitation on infectious disease and nutritional status: A systematic review and meta-analysis

    Matthew C. Freeman;Joshua V. Garn;Gloria D. Sclar;Sophie Boisson

  • Cluster-randomised controlled trials of individual and combined water, sanitation, hygiene and nutritional interventions in rural Bangladesh and Kenya: the WASH Benefits study design and rationale.

    Benjamin F. Arnold;Clair Null;Clair Null;Stephen Patrick Luby;Leanne Unicomb

  • Faecal contamination of drinking water during collection and household storage: the need to extend protection to the point of use

    Thomas F. Clasen;Andrew Bastable

  • Socio-cultural and behavioural factors constraining latrine adoption in rural coastal Odisha: an exploratory qualitative study.

    Parimita Routray;Wolf-Peter Schmidt;Sophie Boisson;Thomas Clasen;Thomas Clasen

  • The impact of sanitation interventions on latrine coverage and latrine use: A systematic review and meta-analysis.

    Joshua V. Garn;Gloria D. Sclar;Matthew C. Freeman;Gauthami Penakalapati

  • Impact of Indian Total Sanitation Campaign on latrine coverage and use: a cross-sectional study in Orissa three years following programme implementation.

    Sharmani Barnard;Parimita Routray;Fiona Majorin;Rachel Peletz

  • Estimating the Scope of Household Water Treatment in Low- and Medium-Income Countries

    Ghislaine Rosa;Thomas Clasen

  • Burden of disease attributable to unsafe drinking water, sanitation, and hygiene in domestic settings: a global analysis for selected adverse health outcomes

    Unknown

  • Interventions to improve disposal of human excreta for preventing diarrhoea.

    Thomas F Clasen;Kristof Bostoen;Wolf-Peter Schmidt;Sophie Boisson

  • High Adherence Is Necessary to Realize Health Gains from Water Quality Interventions

    Joe Brown;Thomas Clasen

  • The implications of three major new trials for the effect of water, sanitation and hygiene on childhood diarrhea and stunting: a consensus statement

    Oliver Cumming;Benjamin F. Arnold;Radu Ban;Thomas Clasen

  • Reducing diarrhea through the use of household-based ceramic water filters: a randomized, controlled trial in rural Bolivia.

    Thomas F. Clasen;Joseph Brown;Simon Collin;Oscar Suntura

  • Cost-effectiveness of water quality interventions for preventing diarrhoeal disease in developing countries.

    Thomas Clasen;Laurence Haller;Damian Walker;Jamie Bartram

Frequent Co-Authors

Matthew C. Freeman
Matthew C. Freeman Emory University
Stephen P. Luby
Stephen P. Luby Stanford University
Howard H. Chang
Howard H. Chang Emory University
Sandy Cairncross
Sandy Cairncross University of London
Kalpana Balakrishnan
Kalpana Balakrishnan Sri Ramachandra University
Kyle Steenland
Kyle Steenland Emory University
K.M. Venkat Narayan
K.M. Venkat Narayan Emory University
Kazi Matin Ahmed
Kazi Matin Ahmed University of Dhaka
Mohammad Shamsudduha
Mohammad Shamsudduha University College London
Jamie Bartram
Jamie Bartram University of North Carolina at Chapel Hill

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Exploring related online degrees can open diverse career pathways for those interested in Environmental Sciences. For students seeking advanced education focused on social and environmental impact, a dsw program offers specialized knowledge applicable to community and policy-driven roles.

For those starting their academic journey or wanting a broader foundation, an online general studies bachelor degree cheap provides flexibility and affordability. This path can serve as a stepping stone to more focused environmental or scientific studies later on.

If you’re considering a less demanding route but still want a valuable credential, some programs are recognized as the easiest degree to get, offering options that balance workload with marketable skills.

Additionally, aspiring environmental professionals can pursue field-specific training through a geologist degree online, which directly supports careers in environmental assessment, natural resource management, and earth sciences, blending practical skills with scientific expertise.

Best Scientists Citing Thomas Clasen

Trending Scientists

Recently Published Articles