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
Andrew Weaver
climate
climate policy
climate solutions
oceanography
meteorology
Metrics
H-Index
i10 Index
Citation
80
199
42,647
* Rankings
Ranking Based On Selection :2
Terry Prowse
Arctic
cold-regions hydrology
climate change
hydro-ecology
hydro-climatology
Metrics
H-Index
i10 Index
Citation
74
204
27,882
Eric Higgs
restoration ecology
ecological restoration
philosophy of technology
environmental ethics
parks and protected areas
Metrics
H-Index
i10 Index
Citation
38
62
10,899
* Rankings
Ranking Based On Selection :13
Michele Lee Moore
water governance
social innovation
resilience
transformation
complex systems change
Metrics
H-Index
i10 Index
Citation
25
38
5,600
* Rankings
Ranking Based On Selection :16
Heather Buckley
Safe Drinking Water
Green Chemistry
Susainability
Environmental Engineering
Metrics
H-Index
i10 Index
Citation
17
21
842
* Rankings
Ranking Based On Selection :19
James Rowe
political theory
political ecology
social movement strategy
political economy
Metrics
H-Index
i10 Index
Citation
13
15
904
* Rankings
Ranking Based On Selection :20
Mohamed Ali Ben Alaya
Hydrometeorology
Climate and Water Sciences
Civil and Environmental engineering
weather and climate extremes
Hydrology
Metrics
H-Index
i10 Index
Citation
11
13
283
Rankings
Ranking Based On Selection: 1
Andrew Weaver
Metrics
H-Index
i10 Index
Citation Counts
80
199
42,647
climate
climate policy
climate solutions
oceanography
meteorology
Rankings
Ranking Based On Selection: 2
Terry Prowse
Metrics
H-Index
i10 Index
Citation Counts
74
204
27,882
Arctic
cold-regions hydrology
climate change
hydro-ecology
hydro-climatology
Rankings
Ranking Based On Selection: 3
Nancy Turner
Metrics
H-Index
i10 Index
Citation Counts
66
169
20,710
Rankings
Ranking Based On Selection: 5
John J Gibson
Metrics
H-Index
i10 Index
Citation Counts
51
97
9,528
Isotope hydrology
geochemistry
oil sands environmental sciences
Rankings
Ranking Based On Selection: 6
Knut Von Salzen
Metrics
H-Index
i10 Index
Citation Counts
40
68
6,694
Aerosols
climate
aerosol-cloud interactions
Arctic
air pollution
Rankings
Ranking Based On Selection: 7
Eric Higgs
Metrics
H-Index
i10 Index
Citation Counts
38
62
10,899
restoration ecology
ecological restoration
philosophy of technology
environmental ethics
parks and protected areas
Rankings
Ranking Based On Selection: 9
Ana Maria Peredo
Metrics
H-Index
i10 Index
Citation Counts
27
40
9,311
Rankings
Ranking Based On Selection: 10
Brian Starzomski
Metrics
H-Index
i10 Index
Citation Counts
26
47
3,117
Rankings
Ranking Based On Selection: 11
Arelia T Werner
Metrics
H-Index
i10 Index
Citation Counts
26
36
2,373
Rankings
Ranking Based On Selection: 12
Qiaohong Sun
Metrics
H-Index
i10 Index
Citation Counts
25
33
4,528
Rankings
Ranking Based On Selection: 13
Michele Lee Moore
Metrics
H-Index
i10 Index
Citation Counts
25
38
5,600
water governance
social innovation
resilience
transformation
complex systems change
Rankings
Ranking Based On Selection: 14
Rajesh R Shrestha|Rajesh Raj Shrestha
Metrics
H-Index
i10 Index
Citation Counts
23
36
1,451
climate change impacts
Water resources
hydroclimatology
extremes
machine learning
Rankings
Ranking Based On Selection: 16
Heather Buckley
Metrics
H-Index
i10 Index
Citation Counts
17
21
842
Safe Drinking Water
Green Chemistry
Susainability
Environmental Engineering
Rankings
Ranking Based On Selection: 17
Abhirosh C
Metrics
H-Index
i10 Index
Citation Counts
15
16
1,086
Rankings
Ranking Based On Selection: 18
Val Schaefer
Metrics
H-Index
i10 Index
Citation Counts
15
18
1,082
Rankings
Ranking Based On Selection: 19
James Rowe
Metrics
H-Index
i10 Index
Citation Counts
13
15
904
political theory
political ecology
social movement strategy
political economy
Rankings
Ranking Based On Selection: 20
Mohamed Ali Ben Alaya
Metrics
H-Index
i10 Index
Citation Counts
11
13
283
Hydrometeorology
Climate and Water Sciences
Civil and Environmental engineering
weather and climate extremes
Hydrology
Rankings
Ranking Based On Selection: 21
Alina C Fisher
Metrics
H-Index
i10 Index
Citation Counts
4
2
56
population ecology
community ecology
conservation
science communication
Rankings
Ranking Based On Selection: 23
Ludwig Paul B Cabling
Metrics
H-Index
i10 Index
Citation Counts
2
0
10
Life-cycle thinking
Community-based research
Sustainable engineering