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Top 100 Scientists
Asia Engineering & Technology / Environmental Science & Engineering Top 100 Scientists 2026
The Top 100 scientists are ranked based on total H-index scores at the global, regional, national, and institutional levels. Rankings cover 10 regions, 13 main fields, and 221 subfields. Subject-field rankings (world, region, country, and university levels) are currently in Beta and updated in near real-time.
Note: Researchers classified as “others” (0 profiles whose fields are undetermined or not yet edited) are excluded from subject and regional rankings. These rankings will dynamically evolve as the “others” profiles are reviewed and properly categorized.
Recognizing excellence across 10 regions, 13 fields, and 221 subfields — Explore the Top 100 today.
* Total H Index Rankings
Rankings
1,206
World Rank
25
Country Rank
1
University
Ranking Based On Selection:
1
Engineering & Technology / Environmental Science & Engineering
Environmental Soil Science & Biogeochemistr
Environmental Soil Science & Biogeochemistr
H-Index Metrics
-
H-Index170
-
i10 Index785
-
Citation Counts106,672
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* Total H Index Rankings
Rankings
2,354
World Rank
73
Country Rank
2
University
Ranking Based On Selection:
2
Engineering & Technology / Environmental Science & Engineering
Water Treatment Processes | Environmental Nanotechnology | Advanced Oxidation | Membrane Technolog
Water Treatment Processes | Environmental Nanotechnology | Advanced Oxidation | Membrane Technolog
H-Index Metrics
-
H-Index144
-
i10 Index870
-
Citation Counts79,857
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* Total H Index Rankings
Rankings
2,355
World Rank
4
Country Rank
1
University
Ranking Based On Selection:
3
Engineering & Technology / Environmental Science & Engineering
Environmental Engineering | Green Chemistry | Chemical Engineering | Water Treatment | Environmenta
Environmental Engineering | Green Chemistry | Chemical Engineering | Water Treatment | Environmenta
H-Index Metrics
-
H-Index144
-
i10 Index1,073
-
Citation Counts101,742
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* Total H Index Rankings
Rankings
2,861
World Rank
1
Country Rank
1
University
Ranking Based On Selection:
4
Engineering & Technology / Environmental Science & Engineering
Water Treatment | Waste to Value-added Product
Water Treatment | Waste to Value-added Product
H-Index Metrics
-
H-Index138
-
i10 Index554
-
Citation Counts101,432
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* Total H Index Rankings
Rankings
3,631
World Rank
125
Country Rank
1
University
Ranking Based On Selection:
5
Engineering & Technology / Environmental Science & Engineering
Groundwater | Hydrogeology | Hydrology | Earth Science
Groundwater | Hydrogeology | Hydrology | Earth Science
H-Index Metrics
-
H-Index130
-
i10 Index1,105
-
Citation Counts80,215
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* Total H Index Rankings
Rankings
3,933
World Rank
135
Country Rank
2
University
Ranking Based On Selection:
6
Engineering & Technology / Environmental Science & Engineering
environmental science | chemical engineering | water treatment | catalysi
environmental science | chemical engineering | water treatment | catalysi
H-Index Metrics
-
H-Index127
-
i10 Index605
-
Citation Counts57,453
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* Total H Index Rankings
Rankings
3,960
World Rank
138
Country Rank
1
University
Ranking Based On Selection:
7
Engineering & Technology / Environmental Science & Engineering
Glacier energy and mass balance | Climate change at high altitude region | Glacier hydolog
Glacier energy and mass balance | Climate change at high altitude region | Glacier hydolog
H-Index Metrics
-
H-Index127
-
i10 Index1,221
-
Citation Counts86,388
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* Total H Index Rankings
Rankings
4,080
World Rank
42
Country Rank
1
University
Ranking Based On Selection:
8
Engineering & Technology / Environmental Science & Engineering
Photocatalysis | Solar fuel | Advanced oxidation process | Environmental chemistry | Environmental engineerin
Photocatalysis | Solar fuel | Advanced oxidation process | Environmental chemistry | Environmental engineerin
H-Index Metrics
-
H-Index126
-
i10 Index339
-
Citation Counts80,642
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* Total H Index Rankings
Rankings
4,170
World Rank
35
Country Rank
7
University
Ranking Based On Selection:
9
Engineering & Technology / Environmental Science & Engineering
Environmental engineering | Membrane technology | Desalination | Water reus
Environmental engineering | Membrane technology | Desalination | Water reus
H-Index Metrics
-
H-Index125
-
i10 Index372
-
Citation Counts50,391
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* Total H Index Rankings
Rankings
4,184
World Rank
148
Country Rank
2
University
Ranking Based On Selection:
10
Engineering & Technology / Environmental Science & Engineering
Hydrological modeling and prediction | Surface water and groundwater interaction | Hydrological response to climate chang
Hydrological modeling and prediction | Surface water and groundwater interaction | Hydrological response to climate chang
H-Index Metrics
-
H-Index125
-
i10 Index1,083
-
Citation Counts72,036
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* Total H Index Rankings
Rankings
4,454
World Rank
5
Country Rank
1
University
Ranking Based On Selection:
11
Engineering & Technology / Environmental Science & Engineering
Phytotoxicity and Phytoremidiation of heavy metals and industrial effluents | stress physiology | Environmental Science | biocha
Phytotoxicity and Phytoremidiation of heavy metals and industrial effluents | stress physiology | Environmental Science | biocha
H-Index Metrics
-
H-Index123
-
i10 Index602
-
Citation Counts58,872
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* Total H Index Rankings
Rankings
4,619
World Rank
42
Country Rank
9
University
Ranking Based On Selection:
12
Engineering & Technology / Environmental Science & Engineering
Environmental Biotechnology | Environmental Microbiology | Environmental Microbiome | Sewage Surveillanc
Environmental Biotechnology | Environmental Microbiology | Environmental Microbiome | Sewage Surveillanc
H-Index Metrics
-
H-Index122
-
i10 Index341
-
Citation Counts49,147
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* Total H Index Rankings
Rankings
4,661
World Rank
169
Country Rank
1
University
Ranking Based On Selection:
13
Engineering & Technology / Environmental Science & Engineering
Environmental analytical chemistry | Environmental monitoring | the fate of pollutant
Environmental analytical chemistry | Environmental monitoring | the fate of pollutant
H-Index Metrics
-
H-Index122
-
i10 Index1,031
-
Citation Counts74,419
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* Total H Index Rankings
Rankings
4,782
World Rank
173
Country Rank
4
University
Ranking Based On Selection:
14
Engineering & Technology / Environmental Science & Engineering
Water Treatment | Environmental Engineering | Environmental Nanotechnology | Bioremediatio
Water Treatment | Environmental Engineering | Environmental Nanotechnology | Bioremediatio
H-Index Metrics
-
H-Index121
-
i10 Index443
-
Citation Counts43,430
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* Total H Index Rankings
Rankings
5,425
World Rank
198
Country Rank
6
University
Ranking Based On Selection:
15
Engineering & Technology / Environmental Science & Engineering
Energy storage and conversion | Batteries | Li-S battery | metal air battery | Na ion batter
Energy storage and conversion | Batteries | Li-S battery | metal air battery | Na ion batter
H-Index Metrics
-
H-Index118
-
i10 Index491
-
Citation Counts47,156
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* Total H Index Rankings
Rankings
5,430
World Rank
199
Country Rank
15
University
Ranking Based On Selection:
16
Engineering & Technology / Environmental Science & Engineering
Disinfection and DBPs | DBP precursors and characterization | nitrosamines | NOM | T&
Disinfection and DBPs | DBP precursors and characterization | nitrosamines | NOM | T&
H-Index Metrics
-
H-Index117
-
i10 Index938
-
Citation Counts58,697
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* Total H Index Rankings
Rankings
5,438
World Rank
201
Country Rank
16
University
Ranking Based On Selection:
17
* Total H Index Rankings
Rankings
5,636
World Rank
214
Country Rank
18
University
Ranking Based On Selection:
18
Engineering & Technology / Environmental Science & Engineering
Climate Change Economics | Ecological Economics | Emission Data Accountin
Climate Change Economics | Ecological Economics | Emission Data Accountin
H-Index Metrics
-
H-Index116
-
i10 Index292
-
Citation Counts47,915
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* Total H Index Rankings
Rankings
5,640
World Rank
216
Country Rank
19
University
Ranking Based On Selection:
19
* Total H Index Rankings
Rankings
5,889
World Rank
233
Country Rank
3
University
Ranking Based On Selection:
20
* Total H Index Rankings
Rankings
6,225
World Rank
250
Country Rank
1
University
Ranking Based On Selection:
21
Engineering & Technology / Environmental Science & Engineering
Soil remediation | Biochar | Waste management | Soil CN cycling | Water qualit
Soil remediation | Biochar | Waste management | Soil CN cycling | Water qualit
H-Index Metrics
-
H-Index113
-
i10 Index513
-
Citation Counts48,783
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* Total H Index Rankings
Rankings
6,437
World Rank
262
Country Rank
23
University
Ranking Based On Selection:
22
* Total H Index Rankings
Rankings
6,690
World Rank
279
Country Rank
7
University
Ranking Based On Selection:
23
* Total H Index Rankings
Rankings
7,417
World Rank
311
Country Rank
29
University
Ranking Based On Selection:
24
Engineering & Technology / Environmental Science & Engineering
emission | atmospheric chemistry | health impacts | mercur
emission | atmospheric chemistry | health impacts | mercur
H-Index Metrics
-
H-Index108
-
i10 Index402
-
Citation Counts40,451
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* Total H Index Rankings
Rankings
7,695
World Rank
329
Country Rank
33
University
Ranking Based On Selection:
25
Engineering & Technology / Environmental Science & Engineering
POPs | Emerging Contaminants | PFAS | PPCP
POPs | Emerging Contaminants | PFAS | PPCP
H-Index Metrics
-
H-Index107
-
i10 Index424
-
Citation Counts39,429
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