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" (870,053 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
Jing M Chen
Remote Sensing
Terrestrial Carbon Cycle
Hydrology
Metrics
H-Index
i10 Index
Citation
111
456
50,536
* Rankings
Ranking Based On Selection: 2
Ld Danny Harvey
global warming
energy efficiency
renewable energy
Metrics
H-Index
i10 Index
Citation
45
95
10,698
* Rankings
Ranking Based On Selection: 4
Yuhong He
remote sensing
vegetation biophysical and biochemical properties
climate change
Metrics
H-Index
i10 Index
Citation
35
76
4,260
* Rankings
Ranking Based On Selection: 5
Tenley Conway
urban forestry
green infrastructure
socio-ecological systems
environmental geography
land use/land cover change
Metrics
H-Index
i10 Index
Citation
32
53
3,513
Ruddick Sue
Geography
Philosophy
Urban Studies
Metrics
H-Index
i10 Index
Citation
23
31
3,303
Kanishka Goonewardena
Critical Theory
Urban Studies
Architecture
Planning
Geography
Metrics
H-Index
i10 Index
Citation
22
31
2,335
Mark Hunter
Built Environment and Development
University of KwaZulu-Natal
Metrics
H-Index
i10 Index
Citation
21
32
4,566

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Michael Ekers
Marxism
Political Ecology
Political Economy
Landscapes
Metrics
H-Index
i10 Index
Citation
19
24
2,076
Ryan Isakson
Agrarian Development
Political Economy
Food
Financialization
Agricultural Biodiversity
Metrics
H-Index
i10 Index
Citation
17
20
2,578
Neera Singh
community forestry
affect theory
subjectivity
commons
forest tenure
Metrics
H-Index
i10 Index
Citation
17
21
2,171
Matthew Farish
Historical geography
environmental history
intellectual history
militarization
landscape
Metrics
H-Index
i10 Index
Citation
16
22
1,456
Trevor J Porter
High-latitude paleoenvironmental change
Metrics
H-Index
i10 Index
Citation
15
21
1,283
Nicole Laliberte
Feminist geography
feminist pedagogy
anti-oppressive pedagogy
geopolitics
human rights
Metrics
H-Index
i10 Index
Citation
15
19
709
Christian Abizaid
Conservation and Development
Amazonia: Livelihoods
Tropical Forests
Indigenous and traditional peoples
Social Networks
Metrics
H-Index
i10 Index
Citation
14
16
727
Tim P Duval
hydrology
ecohydrology
wetland
biogeochemistry
restoration
Metrics
H-Index
i10 Index
Citation
13
15
1,827
Jo Tzu Huang
political ecology
urban studies
Science and Technology Studies
Metrics
H-Index
i10 Index
Citation
3
0
29
Rankings
Ranking Based On Selection: 1
Jing M Chen
Metrics
H-Index
i10 Index
Citation Counts
111
456
50,536
Remote Sensing
Terrestrial Carbon Cycle
Hydrology
Rankings
Ranking Based On Selection: 2
Ld Danny Harvey
Metrics
H-Index
i10 Index
Citation Counts
45
95
10,698
global warming
energy efficiency
renewable energy
Rankings
Ranking Based On Selection: 3
Thembela Kepe
Metrics
H-Index
i10 Index
Citation Counts
39
72
3,835
Rankings
Ranking Based On Selection: 4
Yuhong He
Metrics
H-Index
i10 Index
Citation Counts
35
76
4,260
remote sensing
vegetation biophysical and biochemical properties
climate change
Rankings
Ranking Based On Selection: 5
Tenley Conway
Metrics
H-Index
i10 Index
Citation Counts
32
53
3,513
urban forestry
green infrastructure
socio-ecological systems
environmental geography
land use/land cover change
Rankings
Ranking Based On Selection: 6
Jason Hackworth
Metrics
H-Index
i10 Index
Citation Counts
27
45
7,258
Rankings
Ranking Based On Selection: 7
Ruddick Sue
Metrics
H-Index
i10 Index
Citation Counts
23
31
3,303
Rankings
Ranking Based On Selection: 8
Natalie Oswin
Metrics
H-Index
i10 Index
Citation Counts
22
24
2,821
Rankings
Ranking Based On Selection: 9
Kanishka Goonewardena
Metrics
H-Index
i10 Index
Citation Counts
22
31
2,335
Critical Theory
Urban Studies
Architecture
Planning
Geography
Rankings
Ranking Based On Selection: 10
Mark Hunter
Metrics
H-Index
i10 Index
Citation Counts
21
32
4,566
Built Environment and Development
University of KwaZulu-Natal

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
Michael Ekers
Metrics
H-Index
i10 Index
Citation Counts
19
24
2,076
Marxism
Political Ecology
Political Economy
Landscapes
Rankings
Ranking Based On Selection: 12
Ryan Isakson
Metrics
H-Index
i10 Index
Citation Counts
17
20
2,578
Agrarian Development
Political Economy
Food
Financialization
Agricultural Biodiversity
Rankings
Ranking Based On Selection: 13
Neera Singh
Metrics
H-Index
i10 Index
Citation Counts
17
21
2,171
community forestry
affect theory
subjectivity
commons
forest tenure
Rankings
Ranking Based On Selection: 14
Matthew Farish
Metrics
H-Index
i10 Index
Citation Counts
16
22
1,456
Historical geography
environmental history
intellectual history
militarization
landscape
Rankings
Ranking Based On Selection: 15
Trevor J Porter
Metrics
H-Index
i10 Index
Citation Counts
15
21
1,283
High-latitude paleoenvironmental change
Rankings
Ranking Based On Selection: 16
Nicole Laliberte
Metrics
H-Index
i10 Index
Citation Counts
15
19
709
Feminist geography
feminist pedagogy
anti-oppressive pedagogy
geopolitics
human rights
Rankings
Ranking Based On Selection: 17
Christian Abizaid
Metrics
H-Index
i10 Index
Citation Counts
14
16
727
Conservation and Development
Amazonia: Livelihoods
Tropical Forests
Indigenous and traditional peoples
Social Networks
Rankings
Ranking Based On Selection: 18
Tim P Duval
Metrics
H-Index
i10 Index
Citation Counts
13
15
1,827
hydrology
ecohydrology
wetland
biogeochemistry
restoration
Rankings
Ranking Based On Selection: 19
Susannah Bunce
Metrics
H-Index
i10 Index
Citation Counts
12
14
921
Rankings
Ranking Based On Selection: 20
Jo Tzu Huang
Metrics
H-Index
i10 Index
Citation Counts
3
0
29
political ecology
urban studies
Science and Technology Studies