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Singapore 72 Scientists H-Index Engineering & Technology / Environmental Science & Engineering Rankings - 2026
Track the real-time academic impact of 2.6 million scientists across 221 countries. The H-Index Rankings evaluate both total and last 5 years’ H-index values, offering the most transparent measure of scholarly recognition. Compare global, continental, national, and institutional performance across 13 major fields and 221 disciplines.
* Total H Index Rankings
Rankings
8,821
World Rank
67
Country Rank
26
University
Ranking Based On Selection:
1
Engineering & Technology / Environmental Science & Engineering
Environmental microbiology and biotechnology | MBR | Biological wastewater treatmen
Environmental microbiology and biotechnology | MBR | Biological wastewater treatmen
H-Index Metrics
-
Total105
-
Last 5 Years76
-
Last 5 Years / Total0.724
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* Total H Index Rankings
Rankings
10,660
World Rank
80
Country Rank
33
University
Ranking Based On Selection:
2
Engineering & Technology / Environmental Science & Engineering
Environmental engineering | water | reuse | solid waste | recyclin
Environmental engineering | water | reuse | solid waste | recyclin
H-Index Metrics
-
Total100
-
Last 5 Years71
-
Last 5 Years / Total0.710
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* Total H Index Rankings
Rankings
18,315
World Rank
142
Country Rank
48
University
Ranking Based On Selection:
3
Engineering & Technology / Environmental Science & Engineering
Environmental Engineering | Environmental Science | Chemical Engineering | Nanomaterial
Environmental Engineering | Environmental Science | Chemical Engineering | Nanomaterial
H-Index Metrics
-
Total86
-
Last 5 Years61
-
Last 5 Years / Total0.709
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* Total H Index Rankings
Rankings
23,313
World Rank
181
Country Rank
95
University
Ranking Based On Selection:
4
Engineering & Technology / Environmental Science & Engineering
Cardiovascular diseases | Air pollution | Meta-analysi
Cardiovascular diseases | Air pollution | Meta-analysi
H-Index Metrics
-
Total80
-
Last 5 Years66
-
Last 5 Years / Total0.825
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* Total H Index Rankings
Rankings
33,366
World Rank
247
Country Rank
79
University
Ranking Based On Selection:
5
Engineering & Technology / Environmental Science & Engineering
wastewater treatment | recreational water quality | public health | environmental microbiology | biofilm
wastewater treatment | recreational water quality | public health | environmental microbiology | biofilm
H-Index Metrics
-
Total72
-
Last 5 Years45
-
Last 5 Years / Total0.625
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* Total H Index Rankings
Rankings
36,342
World Rank
271
Country Rank
90
University
Ranking Based On Selection:
6
* Total H Index Rankings
Rankings
36,712
World Rank
273
Country Rank
91
University
Ranking Based On Selection:
7
Engineering & Technology / Environmental Science & Engineering
Environmental Engineering | Membrane Separation | Environmental Nanotechnology | Water and Desalination | Environmental Material
Environmental Engineering | Membrane Separation | Environmental Nanotechnology | Water and Desalination | Environmental Material
H-Index Metrics
-
Total70
-
Last 5 Years39
-
Last 5 Years / Total0.557
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* Total H Index Rankings
Rankings
45,954
World Rank
347
Country Rank
186
University
Ranking Based On Selection:
8
Engineering & Technology / Environmental Science & Engineering
Water and Wastewater Treatment | Water Reuse | Membrane Technology | Green Infrastructur
Water and Wastewater Treatment | Water Reuse | Membrane Technology | Green Infrastructur
H-Index Metrics
-
Total65
-
Last 5 Years38
-
Last 5 Years / Total0.585
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* Total H Index Rankings
Rankings
48,929
World Rank
366
Country Rank
122
University
Ranking Based On Selection:
9
Engineering & Technology / Environmental Science & Engineering
Water and Wastewater Treatment | Waste Treatmen
Water and Wastewater Treatment | Waste Treatmen
H-Index Metrics
-
Total63
-
Last 5 Years59
-
Last 5 Years / Total0.937
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* Total H Index Rankings
Rankings
70,289
World Rank
511
Country Rank
271
University
Ranking Based On Selection:
10
Engineering & Technology / Environmental Science & Engineering
Environment | Optimization | Applied Mat
Environment | Optimization | Applied Mat
H-Index Metrics
-
Total56
-
Last 5 Years33
-
Last 5 Years / Total0.589
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* Total H Index Rankings
Rankings
72,327
World Rank
527
Country Rank
282
University
Ranking Based On Selection:
11
Engineering & Technology / Environmental Science & Engineering
Indoor Air Quality | building performance | energy | indoor environmen
Indoor Air Quality | building performance | energy | indoor environmen
H-Index Metrics
-
Total55
-
Last 5 Years42
-
Last 5 Years / Total0.764
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* Total H Index Rankings
Rankings
73,464
World Rank
533
Country Rank
286
University
Ranking Based On Selection:
12
Engineering & Technology / Environmental Science & Engineering
Environment and development | particularly low latitude
Environment and development | particularly low latitude
H-Index Metrics
-
Total55
-
Last 5 Years35
-
Last 5 Years / Total0.636
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* Total H Index Rankings
Rankings
84,227
World Rank
600
Country Rank
316
University
Ranking Based On Selection:
13
Engineering & Technology / Environmental Science & Engineering
Building science | energy | indoor air quality | ventilation | HVA
Building science | energy | indoor air quality | ventilation | HVA
H-Index Metrics
-
Total52
-
Last 5 Years39
-
Last 5 Years / Total0.750
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* Total H Index Rankings
Rankings
87,393
World Rank
614
Country Rank
204
University
Ranking Based On Selection:
14
Engineering & Technology / Environmental Science & Engineering
Wastewater treatment | constructed wetland | emerging contaminants | denitrification | soluble microbial produc
Wastewater treatment | constructed wetland | emerging contaminants | denitrification | soluble microbial produc
H-Index Metrics
-
Total51
-
Last 5 Years47
-
Last 5 Years / Total0.922
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* Total H Index Rankings
Rankings
96,583
World Rank
681
Country Rank
226
University
Ranking Based On Selection:
15
Engineering & Technology / Environmental Science & Engineering
Water Purification | Membranes | Carbon Nanotubes | Graphene | Carbon Nanoarchitecture
Water Purification | Membranes | Carbon Nanotubes | Graphene | Carbon Nanoarchitecture
H-Index Metrics
-
Total49
-
Last 5 Years47
-
Last 5 Years / Total0.959
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* Total H Index Rankings
Rankings
97,413
World Rank
693
Country Rank
1
University
Ranking Based On Selection:
16
Engineering & Technology / Environmental Science & Engineering
coffee | farming systems | climate change | sustainable agricultur
coffee | farming systems | climate change | sustainable agricultur
H-Index Metrics
-
Total49
-
Last 5 Years40
-
Last 5 Years / Total0.816
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* Total H Index Rankings
Rankings
124,406
World Rank
857
Country Rank
286
University
Ranking Based On Selection:
17
* Total H Index Rankings
Rankings
128,079
World Rank
885
Country Rank
455
University
Ranking Based On Selection:
18
Engineering & Technology / Environmental Science & Engineering
Water Resources | Hydrology | Hydroinformatics | Climate Chang
Water Resources | Hydrology | Hydroinformatics | Climate Chang
H-Index Metrics
-
Total44
-
Last 5 Years30
-
Last 5 Years / Total0.682
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* Total H Index Rankings
Rankings
129,326
World Rank
892
Country Rank
298
University
Ranking Based On Selection:
19
Engineering & Technology / Environmental Science & Engineering
water resources engineering | hydrology | climate change | flood modeling | green urban technolog
water resources engineering | hydrology | climate change | flood modeling | green urban technolog
H-Index Metrics
-
Total44
-
Last 5 Years26
-
Last 5 Years / Total0.591
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* Total H Index Rankings
Rankings
158,615
World Rank
1,065
Country Rank
530
University
Ranking Based On Selection:
20
Engineering & Technology / Environmental Science & Engineering
Environmental biology | microbial ecology | metabolomics | plant-microbe interactions | sys
Environmental biology | microbial ecology | metabolomics | plant-microbe interactions | sys
H-Index Metrics
-
Total40
-
Last 5 Years28
-
Last 5 Years / Total0.700
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* Total H Index Rankings
Rankings
158,802
World Rank
1,068
Country Rank
1
University
Ranking Based On Selection:
21
Engineering & Technology / Environmental Science & Engineering
Numerical Weather Prediction | Data Assimilation | Climate Science | Reanalysi
Numerical Weather Prediction | Data Assimilation | Climate Science | Reanalysi
H-Index Metrics
-
Total40
-
Last 5 Years28
-
Last 5 Years / Total0.700
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* Total H Index Rankings
Rankings
159,365
World Rank
1,071
Country Rank
373
University
Ranking Based On Selection:
22
Engineering & Technology / Environmental Science & Engineering
Environmental Technology | Water Treatment | Environmental Functional Material
Environmental Technology | Water Treatment | Environmental Functional Material
H-Index Metrics
-
Total40
-
Last 5 Years27
-
Last 5 Years / Total0.675
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* Total H Index Rankings
Rankings
175,292
World Rank
1,166
Country Rank
406
University
Ranking Based On Selection:
23
Engineering & Technology / Environmental Science & Engineering
Environmental Microbiology | Microbial Ecology | Extremophiles | Astrobiology | Environmental Healt
Environmental Microbiology | Microbial Ecology | Extremophiles | Astrobiology | Environmental Healt
H-Index Metrics
-
Total38
-
Last 5 Years30
-
Last 5 Years / Total0.789
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* Total H Index Rankings
Rankings
199,635
World Rank
1,294
Country Rank
2
University
Ranking Based On Selection:
24
* Total H Index Rankings
Rankings
203,311
World Rank
1,315
Country Rank
644
University
Ranking Based On Selection:
25
Engineering & Technology / Environmental Science & Engineering
Environmental biotechnology | Waste-to-resources | Biomass energy technolog
Environmental biotechnology | Waste-to-resources | Biomass energy technolog
H-Index Metrics
-
Total35
-
Last 5 Years34
-
Last 5 Years / Total0.971
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