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" (873,690 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: 3
Aaron M Mccright
environmental sociology
political sociology
sociology of risk
sociology of science
Metrics
H-Index
i10 Index
Citation
51
74
21,812
* Rankings
Ranking Based On Selection: 4
Weimin Sun
Environmental Microbiology
Stable Isotope Probing
Bioremediation
Metrics
H-Index
i10 Index
Citation
50
137
6,718
Jun Liu
Molecular mechanisms of photosynthetic regulation of plant tolerance/resilience to environmental stresses
Metrics
H-Index
i10 Index
Citation
45
91
8,506
Yadu Pokhrel
Integrated modeling
Climate Change & Extremes
Natural-Human Interactions
Food-Water-Energy
Metrics
H-Index
i10 Index
Citation
41
83
7,432
Wu Yang
Common-pool Resources Management
Coupled Human and Natural Systems
Ecological Economics
Metrics
H-Index
i10 Index
Citation
32
41
5,762
* Rankings
Ranking Based On Selection: 10
John P Hoehn
Environmental & resource economics
volitional choice and exchange
economic growth
Metrics
H-Index
i10 Index
Citation
32
52
7,543

Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast! 

* Rankings
Ranking Based On Selection: 11
Laura Schmitt Olabisi
participatory modeling
climate change adaptation
sustainability science
food and agriculture
Metrics
H-Index
i10 Index
Citation
26
48
2,477
* Rankings
Ranking Based On Selection: 13
Adam Mayer
Energy Transition
Environmental Sociology
Health and Well-Being
Methodology
Rural Sociology
Metrics
H-Index
i10 Index
Citation
24
54
2,173
Adam Zwickle
Sustainability
risk perception
natural resource governance
psychological distance
risk communication
Metrics
H-Index
i10 Index
Citation
18
20
1,624
Mehrnaz Ghamami
Environmental Sustainability / Alternative Fuel Vehicles
Operations Research
Public Transit
Network Modeling
Travel Demand
Metrics
H-Index
i10 Index
Citation
14
21
1,349
Liang Luke Zhao|Liang Zhao
Environmental Microbiology
Wastewater-based Epidemiology
Environmental Health
digital PCR
Metrics
H-Index
i10 Index
Citation
9
9
280
Patricia Mckay
Transformative SES design
ecology
environmental science
systems thinking
decision and learning science
Metrics
H-Index
i10 Index
Citation
3
2
45
Rabia Faizan
Inclusive Design
Evidence-based Design
Multiculturalism
Environmental Perception and Behavior
Metrics
H-Index
i10 Index
Citation
1
0
2
Rankings
Ranking Based On Selection: 1
G Philip Robertson
Metrics
H-Index
i10 Index
Citation Counts
104
240
46,884
Rankings
Ranking Based On Selection: 2
Stephen K Hamilton
Metrics
H-Index
i10 Index
Citation Counts
86
207
28,438
Rankings
Ranking Based On Selection: 3
Aaron M Mccright
Metrics
H-Index
i10 Index
Citation Counts
51
74
21,812
environmental sociology
political sociology
sociology of risk
sociology of science
Rankings
Ranking Based On Selection: 4
Weimin Sun
Metrics
H-Index
i10 Index
Citation Counts
50
137
6,718
Environmental Microbiology
Stable Isotope Probing
Bioremediation
Rankings
Ranking Based On Selection: 5
Jun Liu
Metrics
H-Index
i10 Index
Citation Counts
45
91
8,506
Molecular mechanisms of photosynthetic regulation of plant tolerance/resilience to environmental stresses
Rankings
Ranking Based On Selection: 6
Syed Hashsham
Metrics
H-Index
i10 Index
Citation Counts
43
83
9,662
Rankings
Ranking Based On Selection: 7
Yadu Pokhrel
Metrics
H-Index
i10 Index
Citation Counts
41
83
7,432
Integrated modeling
Climate Change & Extremes
Natural-Human Interactions
Food-Water-Energy
Rankings
Ranking Based On Selection: 8
Irene Xagoraraki
Metrics
H-Index
i10 Index
Citation Counts
36
69
6,920
Rankings
Ranking Based On Selection: 9
Wu Yang
Metrics
H-Index
i10 Index
Citation Counts
32
41
5,762
Common-pool Resources Management
Coupled Human and Natural Systems
Ecological Economics
Rankings
Ranking Based On Selection: 10
John P Hoehn
Metrics
H-Index
i10 Index
Citation Counts
32
52
7,543
Environmental & resource economics
volitional choice and exchange
economic growth

Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast! 

Rankings
Ranking Based On Selection: 11
Laura Schmitt Olabisi
Metrics
H-Index
i10 Index
Citation Counts
26
48
2,477
participatory modeling
climate change adaptation
sustainability science
food and agriculture
Rankings
Ranking Based On Selection: 12
Satish Joshi|SV Joshi, S Joshi
Metrics
H-Index
i10 Index
Citation Counts
25
38
9,168
Environmental policy
biofuels
Corporate environmental management
Rankings
Ranking Based On Selection: 13
Adam Mayer
Metrics
H-Index
i10 Index
Citation Counts
24
54
2,173
Energy Transition
Environmental Sociology
Health and Well-Being
Methodology
Rural Sociology
Rankings
Ranking Based On Selection: 14
Jennifer M Olson
Metrics
H-Index
i10 Index
Citation Counts
23
42
1,984
Rankings
Ranking Based On Selection: 15
Adam Zwickle
Metrics
H-Index
i10 Index
Citation Counts
18
20
1,624
Sustainability
risk perception
natural resource governance
psychological distance
risk communication
Rankings
Ranking Based On Selection: 16
Farag A Samhan
Metrics
H-Index
i10 Index
Citation Counts
16
19
809
Rankings
Ranking Based On Selection: 17
Mehrnaz Ghamami
Metrics
H-Index
i10 Index
Citation Counts
14
21
1,349
Environmental Sustainability / Alternative Fuel Vehicles
Operations Research
Public Transit
Network Modeling
Travel Demand
Rankings
Ranking Based On Selection: 18
Liang Luke Zhao|Liang Zhao
Metrics
H-Index
i10 Index
Citation Counts
9
9
280
Environmental Microbiology
Wastewater-based Epidemiology
Environmental Health
digital PCR
Rankings
Ranking Based On Selection: 19
Patricia Mckay
Metrics
H-Index
i10 Index
Citation Counts
3
2
45
Transformative SES design
ecology
environmental science
systems thinking
decision and learning science
Rankings
Ranking Based On Selection: 20
Romuald Gonety
Metrics
H-Index
i10 Index
Citation Counts
1
0
6
Rankings
Ranking Based On Selection: 21
Rabia Faizan
Metrics
H-Index
i10 Index
Citation Counts
1
0
2
Inclusive Design
Evidence-based Design
Multiculturalism
Environmental Perception and Behavior