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" (873,937 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
Ruiyang Ray Xiao 肖睿洋
advanced oxidation processes
radical chemistry
computational chemistry
environmental modelling
Metrics
H-Index
i10 Index
Citation
51
89
6,794
Feiping Zhao
Heavy metals
Solid waste
Metallurgical environmental engineering
Resource recovery
Soil & Wastewater
Metrics
H-Index
i10 Index
Citation
34
57
4,676
* Rankings
Ranking Based On Selection :3
Umesh Kumar Singh
Hydrogeology
Water and soil pollution
Risk assessment
Solid waste management
Climate change
Metrics
H-Index
i10 Index
Citation
27
36
3,381
Shubin Wang
Recycling Spent LIBs
Environmental Science
Waste Reutilization
Waste Management
Metrics
H-Index
i10 Index
Citation
19
22
1,356
Xianghong Ding (丁祥鸿)
Geoenvironmental Engineering
Engineering Barrier
Contaminant Transport
Soil Remediation
Metrics
H-Index
i10 Index
Citation
9
9
237
Rankings
Ranking Based On Selection: 1
Ruiyang Ray Xiao 肖睿洋
Metrics
H-Index
i10 Index
Citation Counts
51
89
6,794
advanced oxidation processes
radical chemistry
computational chemistry
environmental modelling
Rankings
Ranking Based On Selection: 2
Feiping Zhao
Metrics
H-Index
i10 Index
Citation Counts
34
57
4,676
Heavy metals
Solid waste
Metallurgical environmental engineering
Resource recovery
Soil & Wastewater
Rankings
Ranking Based On Selection: 3
Umesh Kumar Singh
Metrics
H-Index
i10 Index
Citation Counts
27
36
3,381
Hydrogeology
Water and soil pollution
Risk assessment
Solid waste management
Climate change
Rankings
Ranking Based On Selection: 4
Ying Zhang (张颖)
Metrics
H-Index
i10 Index
Citation Counts
20
32
1,726
Rankings
Ranking Based On Selection: 5
Shubin Wang
Metrics
H-Index
i10 Index
Citation Counts
19
22
1,356
Recycling Spent LIBs
Environmental Science
Waste Reutilization
Waste Management
Rankings
Ranking Based On Selection: 6
Yanmin Cao
Metrics
H-Index
i10 Index
Citation Counts
17
26
864
Rankings
Ranking Based On Selection: 7
Xianghong Ding (丁祥鸿)
Metrics
H-Index
i10 Index
Citation Counts
9
9
237
Geoenvironmental Engineering
Engineering Barrier
Contaminant Transport
Soil Remediation
Rankings
Ranking Based On Selection: 8
Akriti Ashesh
Metrics
H-Index
i10 Index
Citation Counts
2
2
40