Top 100 Scientists

World Top 100 Scientists 2025

Top 100 scientists can be ranked globally or specific to the following regions including Africa, Asia, Europe, North America, Latin America, Oceania, Arab League, ASEAN, EECA, and BRICS based on total H-index scores without any breakdown by subject areas. Top 100 rankings in the world, in a continent, or a region include standardized subjects areas of Agriculture & Forestry, Arts, Design and Architecture, Business & Management, Economics & Econometrics, Education, Engineering & Technology, History, Philosophy, Theology, Law/Law and Legal Studies, Medical and Health Sciences, Natural Sciences, Social Sciences, Art and Humanities Rankings and Social Sciences and Humanities Rankings BETA VERSION. Subject field ranking in world, region, country and university is beta version since subject field "others" (873,864 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded, so the ranking will change as the others fields are edited. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Rankings
Ranking Based On Selection :1
David A Sabatini
Environmental Engineering
Water Treatment
Transport Processes
Remediation
Metrics
H-Index
i10 Index
Citation
67
201
13,624
Robert Nairn
environmental science
ecological engineering
watershed biogeochemistry
natural infrastructure
passive treatment
Metrics
H-Index
i10 Index
Citation
30
57
4,738
Linh Pham
Environmental and Energy Economics
Resource Economics
Energy Finance
Sustainable Development
Metrics
H-Index
i10 Index
Citation
22
30
2,106
Kyle E Murray
water resources
carbon sequestration
hydrogeology
environmental science
GIS
Metrics
H-Index
i10 Index
Citation
17
25
1,536
Hernan A Moreno
Water resources
watershed hydrology
hydroinformatics
hydrometeorology
remote sensing
Metrics
H-Index
i10 Index
Citation
14
18
1,114
Carrie M Leslie
Environmental Sociology
Environmental Justice
Environmental Ethics and Regenerative Development
Metrics
H-Index
i10 Index
Citation
4
3
51
Mohammad Shahriyar Parvez
spatial optimization
regionalization
GIScience
location modeling
environmental modeling
Metrics
H-Index
i10 Index
Citation
2
2
39
Brandon K Holzbauer-Schweitzer
Environmental Science
Remote Sensing
Mine Drainage
Water Quality
Spatial Modeling
Metrics
H-Index
i10 Index
Citation
1
0
5
Rankings
Ranking Based On Selection: 1
David A Sabatini
Metrics
H-Index
i10 Index
Citation Counts
67
201
13,624
Environmental Engineering
Water Treatment
Transport Processes
Remediation
Rankings
Ranking Based On Selection: 2
Robert Nairn
Metrics
H-Index
i10 Index
Citation Counts
30
57
4,738
environmental science
ecological engineering
watershed biogeochemistry
natural infrastructure
passive treatment
Rankings
Ranking Based On Selection: 3
Linh Pham
Metrics
H-Index
i10 Index
Citation Counts
22
30
2,106
Environmental and Energy Economics
Resource Economics
Energy Finance
Sustainable Development
Rankings
Ranking Based On Selection: 4
Katharine Ann Marske
Metrics
H-Index
i10 Index
Citation Counts
20
29
2,471
Rankings
Ranking Based On Selection: 5
Kyle E Murray
Metrics
H-Index
i10 Index
Citation Counts
17
25
1,536
water resources
carbon sequestration
hydrogeology
environmental science
GIS
Rankings
Ranking Based On Selection: 6
Hernan A Moreno
Metrics
H-Index
i10 Index
Citation Counts
14
18
1,114
Water resources
watershed hydrology
hydroinformatics
hydrometeorology
remote sensing
Rankings
Ranking Based On Selection: 7
David E Reed
Metrics
H-Index
i10 Index
Citation Counts
13
16
1,845
Climate Science
Land-Atmosphere Interactions
Eddy Covariance
Rankings
Ranking Based On Selection: 8
Mark Meo
Metrics
H-Index
i10 Index
Citation Counts
13
18
658
Rankings
Ranking Based On Selection: 9
Carrie M Leslie
Metrics
H-Index
i10 Index
Citation Counts
4
3
51
Environmental Sociology
Environmental Justice
Environmental Ethics and Regenerative Development
Rankings
Ranking Based On Selection: 10
Mohammad Shahriyar Parvez
Metrics
H-Index
i10 Index
Citation Counts
2
2
39
spatial optimization
regionalization
GIScience
location modeling
environmental modeling
Rankings
Ranking Based On Selection: 11
Brandon K Holzbauer-Schweitzer
Metrics
H-Index
i10 Index
Citation Counts
1
0
5
Environmental Science
Remote Sensing
Mine Drainage
Water Quality
Spatial Modeling