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" (873,688 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
Xenia Trier
Environmental Analytical Chemistry - contaminants in the environment
humans
products
PFAS and surfactants
Food contact mater
Metrics
H-Index
i10 Index
Citation
30
40
5,724
* Rankings
Ranking Based On Selection: 4
Lorenzo Benini
environmental assesments and reporting
LCA
post-normal science
Metrics
H-Index
i10 Index
Citation
25
34
3,078
* Rankings
Ranking Based On Selection: 8
Frank Wugt Larsen
Conservation science
biodiversity
ecosystem services
Metrics
H-Index
i10 Index
Citation
17
18
3,731
* Rankings
Ranking Based On Selection: 9
Nihat Zal
environment
water
water scarcity
water accounts
protected areas
Metrics
H-Index
i10 Index
Citation
12
13
2,391

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* Rankings
Ranking Based On Selection: 11
Juliana Subtil
Innovation
Energy
Climate
Policy
Transitions
Metrics
H-Index
i10 Index
Citation
9
8
355
* Rankings
Ranking Based On Selection: 12
Dario Piselli
International Environmental Law
Biodiversity and Ecosystem Services
One Health
Science-Policy Interfaces
Metrics
H-Index
i10 Index
Citation
8
7
516
* Rankings
Ranking Based On Selection: 13
Michael Asquith
Sustainability transitions
environmental economics
environmental governance
Metrics
H-Index
i10 Index
Citation
7
6
374
* Rankings
Ranking Based On Selection: 14
Joanna Balasis Levinsen
Earth observation
Copernicus
user uptake
Metrics
H-Index
i10 Index
Citation
5
4
99
* Rankings
Ranking Based On Selection: 15
A Teoman Sanalan
Industrial Pollution Control and Environmental Information Management
Endüstriyel kirlilik
IPPC
mevcut en iyi teknikler
BAT
Metrics
H-Index
i10 Index
Citation
1
1
50
Rankings
Ranking Based On Selection: 1
Xenia Trier
Metrics
H-Index
i10 Index
Citation Counts
30
40
5,724
Environmental Analytical Chemistry - contaminants in the environment
humans
products
PFAS and surfactants
Food contact mater
Rankings
Ranking Based On Selection: 2
Annemarie Bastrup-Birk
Metrics
H-Index
i10 Index
Citation Counts
30
44
4,173
Rankings
Ranking Based On Selection: 3
Hans-Martin Füssel
Metrics
H-Index
i10 Index
Citation Counts
30
48
10,754
Rankings
Ranking Based On Selection: 4
Lorenzo Benini
Metrics
H-Index
i10 Index
Citation Counts
25
34
3,078
environmental assesments and reporting
LCA
post-normal science
Rankings
Ranking Based On Selection: 5
Johnny Reker
Metrics
H-Index
i10 Index
Citation Counts
23
33
2,201
Rankings
Ranking Based On Selection: 6
Stefan Speck
Metrics
H-Index
i10 Index
Citation Counts
23
39
2,760
Rankings
Ranking Based On Selection: 7
Tobias Dan Nielsen
Metrics
H-Index
i10 Index
Citation Counts
17
19
1,624
Rankings
Ranking Based On Selection: 8
Frank Wugt Larsen
Metrics
H-Index
i10 Index
Citation Counts
17
18
3,731
Conservation science
biodiversity
ecosystem services
Rankings
Ranking Based On Selection: 9
Nihat Zal
Metrics
H-Index
i10 Index
Citation Counts
12
13
2,391
environment
water
water scarcity
water accounts
protected areas
Rankings
Ranking Based On Selection: 10
Blaž Kurnik
Metrics
H-Index
i10 Index
Citation Counts
12
14
499

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
Juliana Subtil
Metrics
H-Index
i10 Index
Citation Counts
9
8
355
Innovation
Energy
Climate
Policy
Transitions
Rankings
Ranking Based On Selection: 12
Dario Piselli
Metrics
H-Index
i10 Index
Citation Counts
8
7
516
International Environmental Law
Biodiversity and Ecosystem Services
One Health
Science-Policy Interfaces
Rankings
Ranking Based On Selection: 13
Michael Asquith
Metrics
H-Index
i10 Index
Citation Counts
7
6
374
Sustainability transitions
environmental economics
environmental governance
Rankings
Ranking Based On Selection: 14
Joanna Balasis Levinsen
Metrics
H-Index
i10 Index
Citation Counts
5
4
99
Earth observation
Copernicus
user uptake
Rankings
Ranking Based On Selection: 15
A Teoman Sanalan
Metrics
H-Index
i10 Index
Citation Counts
1
1
50
Industrial Pollution Control and Environmental Information Management
Endüstriyel kirlilik
IPPC
mevcut en iyi teknikler
BAT