World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

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

Thomas Clasen publication distribution in Environmental Sciences in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Environmental Sciences in 2026. The highlighted bar marks where Thomas Clasen sits on this spectrum.

41–50 publications: 21 scientists 51–60 publications: 62 scientists 61–70 publications: 133 scientists 71–80 publications: 257 scientists 81–90 publications: 361 scientists 91–100 publications: 440 scientists 101–110 publications: 492 scientists 111–120 publications: 541 scientists 121–130 publications: 617 scientists 131–140 publications: 544 scientists 141–150 publications: 541 scientists 151–160 publications: 539 scientists 161–170 publications: 444 scientists 171–180 publications: 444 scientists 181–190 publications: 400 scientists 191–200 publications: 377 scientists 201–210 publications: 318 scientists 211–220 publications: 283 scientists 221–230 publications: 263 scientists 231–240 publications: 220 scientists 241–250 publications: 217 scientists 251–260 publications: 180 scientists 261–270 publications: 181 scientists 271–280 publications: 155 scientists 281–290 publications: 130 scientists 291–300 publications: 127 scientists 301–310 publications: 130 scientists 311–320 publications: 85 scientists 321–330 publications: 106 scientists 331–340 publications: 80 scientists 341–350 publications: 83 scientists 351–360 publications: 75 scientists 361–370 publications: 69 scientists 371–380 publications: 52 scientists 381–390 publications: 54 scientists 391–400 publications: 56 scientists 401–410 publications: 44 scientists 411–420 publications: 40 scientists 421–430 publications: 36 scientists 431–440 publications: 25 scientists 441–450 publications: 25 scientists 451–460 publications: 32 scientists 461–470 publications: 29 scientists 471–480 publications: 21 scientists 481–490 publications: 26 scientists 491–500 publications: 25 scientists 501–510 publications: 17 scientists 511–520 publications: 18 scientists 521–530 publications: 15 scientists 531–540 publications: 22 scientists 541–550 publications: 12 scientists 551–560 publications: 15 scientists 561–570 publications: 11 scientists 571–580 publications: 19 scientists 581–590 publications: 9 scientists 591–600 publications: 9 scientists 601–610 publications: 7 scientists 611–620 publications: 11 scientists 621–630 publications: 5 scientists 631–640 publications: 5 scientists 641–650 publications: 6 scientists 651–660 publications: 3 scientists 661–670 publications: 3 scientists 671–680 publications: 4 scientists 681–686 publications: 3 scientists 687+ publications: 100 scientists
41 publications 687+

This scientist: 293 publications — 85th percentile

85% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 687 publications or more.

Thomas Clasen D-index placement in Environmental Sciences in 2026

The chart shows the D-index (discipline H-index) distribution of Environmental Sciences scientists ranked by Research.com in 2026. The highlighted bar marks where Thomas Clasen sits on this spectrum.

30 D-Index: 12 scientists 31 D-Index: 26 scientists 32 D-Index: 51 scientists 33 D-Index: 88 scientists 34 D-Index: 123 scientists 35 D-Index: 163 scientists 36 D-Index: 206 scientists 37 D-Index: 267 scientists 38 D-Index: 265 scientists 39 D-Index: 275 scientists 40 D-Index: 321 scientists 41 D-Index: 343 scientists 42 D-Index: 305 scientists 43 D-Index: 336 scientists 44 D-Index: 330 scientists 45 D-Index: 348 scientists 46 D-Index: 291 scientists 47 D-Index: 275 scientists 48 D-Index: 272 scientists 49 D-Index: 273 scientists 50 D-Index: 263 scientists 51 D-Index: 232 scientists 52 D-Index: 266 scientists 53 D-Index: 217 scientists 54 D-Index: 199 scientists 55 D-Index: 177 scientists 56 D-Index: 202 scientists 57 D-Index: 204 scientists 58 D-Index: 166 scientists 59 D-Index: 177 scientists 60 D-Index: 166 scientists 61 D-Index: 152 scientists 62 D-Index: 143 scientists 63 D-Index: 150 scientists 64 D-Index: 124 scientists 65 D-Index: 119 scientists 66 D-Index: 120 scientists 67 D-Index: 118 scientists 68 D-Index: 82 scientists 69 D-Index: 98 scientists 70 D-Index: 94 scientists 71 D-Index: 105 scientists 72 D-Index: 74 scientists 73 D-Index: 84 scientists 74 D-Index: 70 scientists 75 D-Index: 67 scientists 76 D-Index: 78 scientists 77 D-Index: 60 scientists 78 D-Index: 59 scientists 79 D-Index: 52 scientists 80 D-Index: 47 scientists 81 D-Index: 38 scientists 82 D-Index: 48 scientists 83 D-Index: 42 scientists 84 D-Index: 42 scientists 85 D-Index: 43 scientists 86 D-Index: 29 scientists 87 D-Index: 37 scientists 88 D-Index: 29 scientists 89 D-Index: 30 scientists 90 D-Index: 34 scientists 91 D-Index: 20 scientists 92 D-Index: 22 scientists 93 D-Index: 17 scientists 94 D-Index: 19 scientists 95 D-Index: 24 scientists 96 D-Index: 21 scientists 97 D-Index: 20 scientists 98 D-Index: 24 scientists 99 D-Index: 17 scientists 100 D-Index: 17 scientists 101 D-Index: 21 scientists 102 D-Index: 25 scientists 103 D-Index: 18 scientists 104 D-Index: 26 scientists 105 D-Index: 19 scientists 106 D-Index: 15 scientists 107 D-Index: 10 scientists 108 D-Index: 13 scientists 109 D-Index: 15 scientists 110 D-Index: 12 scientists 111 D-Index: 8 scientists 112 D-Index: 7 scientists 113 D-Index: 9 scientists 114 D-Index: 6 scientists 115 D-Index: 12 scientists 116 D-Index: 7 scientists 117 D-Index: 8 scientists 118 D-Index: 3 scientists 119 D-Index: 5 scientists 120 D-Index: 7 scientists 121 D-Index: 2 scientists 122 D-Index: 4 scientists 123 D-Index: 8 scientists 124 D-Index: 7 scientists 125+ D-Index: 99 scientists
30 D-Index 125+

This scientist: 73 D-Index — 86th percentile

86% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 125 D-Index or more.

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

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