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Arab League 1,020 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
2,190
World Rank
6
Country Rank
1
University
Ranking Based On Selection:
1
Engineering & Technology / Environmental Science & Engineering
Chemistry | Environmental Engineering | Green Chemistry | Chemical Engineering | Water Treatmen
Chemistry | Environmental Engineering | Green Chemistry | Chemical Engineering | Water Treatmen
H-Index Metrics
-
Total149
-
Last 5 Years123
-
Last 5 Years / Total0.826
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* Total H Index Rankings
Rankings
2,886
World Rank
4
Country Rank
3
University
Ranking Based On Selection:
2
Engineering & Technology / Environmental Science & Engineering
Water Treatment | Waste to Value-added Product
Water Treatment | Waste to Value-added Product
H-Index Metrics
-
Total140
-
Last 5 Years94
-
Last 5 Years / Total0.671
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* Total H Index Rankings
Rankings
24,834
World Rank
18
Country Rank
5
University
Ranking Based On Selection:
3
Engineering & Technology / Environmental Science & Engineering
Membrane technology for water and wastewater treatmen
Membrane technology for water and wastewater treatmen
H-Index Metrics
-
Total79
-
Last 5 Years48
-
Last 5 Years / Total0.608
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* Total H Index Rankings
Rankings
27,544
World Rank
87
Country Rank
36
University
Ranking Based On Selection:
4
Engineering & Technology / Environmental Science & Engineering
Water desalination | Renewable energy | Desalination economics | Innovative desalination technologie
Water desalination | Renewable energy | Desalination economics | Innovative desalination technologie
H-Index Metrics
-
Total76
-
Last 5 Years61
-
Last 5 Years / Total0.803
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* Total H Index Rankings
Rankings
46,943
World Rank
172
Country Rank
22
University
Ranking Based On Selection:
5
* Total H Index Rankings
Rankings
50,315
World Rank
17
Country Rank
12
University
Ranking Based On Selection:
6
Engineering & Technology / Environmental Science & Engineering
Waste management | Water resources management | Air pollution control | Climate change and sustainable development | Environmental
Waste management | Water resources management | Air pollution control | Climate change and sustainable development | Environmental
H-Index Metrics
-
Total63
-
Last 5 Years38
-
Last 5 Years / Total0.603
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* Total H Index Rankings
Rankings
53,879
World Rank
49
Country Rank
21
University
Ranking Based On Selection:
7
Engineering & Technology / Environmental Science & Engineering
Analytical and environmental chemistry | Environmental Remediation | Validation method in analytical chemistry | Remediation | Adso
Analytical and environmental chemistry | Environmental Remediation | Validation method in analytical chemistry | Remediation | Adso
H-Index Metrics
-
Total61
-
Last 5 Years54
-
Last 5 Years / Total0.885
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* Total H Index Rankings
Rankings
61,959
World Rank
60
Country Rank
28
University
Ranking Based On Selection:
8
Engineering & Technology / Environmental Science & Engineering
Climate change ecology | Climate change vulnerability | Vegetation Science | Soil biodiversity | ITE
Climate change ecology | Climate change vulnerability | Vegetation Science | Soil biodiversity | ITE
H-Index Metrics
-
Total58
-
Last 5 Years50
-
Last 5 Years / Total0.862
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* Total H Index Rankings
Rankings
65,183
World Rank
262
Country Rank
31
University
Ranking Based On Selection:
9
Engineering & Technology / Environmental Science & Engineering
Climate | Climate Change | Impact of Climate Change in water resources and environment | climate extreme
Climate | Climate Change | Impact of Climate Change in water resources and environment | climate extreme
H-Index Metrics
-
Total57
-
Last 5 Years49
-
Last 5 Years / Total0.860
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* Total H Index Rankings
Rankings
71,861
World Rank
299
Country Rank
38
University
Ranking Based On Selection:
10
Engineering & Technology / Environmental Science & Engineering
Electrochemistry | Physical Chemistry | Nanotechnology | Renewable Energy | Environmental Scienc
Electrochemistry | Physical Chemistry | Nanotechnology | Renewable Energy | Environmental Scienc
H-Index Metrics
-
Total55
-
Last 5 Years47
-
Last 5 Years / Total0.855
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* Total H Index Rankings
Rankings
71,973
World Rank
303
Country Rank
92
University
Ranking Based On Selection:
11
Engineering & Technology / Environmental Science & Engineering
Environmental Biotechnology | Microbial Electrochemical Systems | Aerobic Granular Sludge | Anammox | Resource Recover
Environmental Biotechnology | Microbial Electrochemical Systems | Aerobic Granular Sludge | Anammox | Resource Recover
H-Index Metrics
-
Total55
-
Last 5 Years46
-
Last 5 Years / Total0.836
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* Total H Index Rankings
Rankings
75,144
World Rank
75
Country Rank
20
University
Ranking Based On Selection:
12
Engineering & Technology / Environmental Science & Engineering
Sustainability | Built Environment | Life-Cycle Assessment | Climate Change | Resilient Infrastructur
Sustainability | Built Environment | Life-Cycle Assessment | Climate Change | Resilient Infrastructur
H-Index Metrics
-
Total54
-
Last 5 Years53
-
Last 5 Years / Total0.981
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* Total H Index Rankings
Rankings
75,164
World Rank
76
Country Rank
1
University
Ranking Based On Selection:
13
Engineering & Technology / Environmental Science & Engineering
Desalination | water treatment | environmental engineerin
Desalination | water treatment | environmental engineerin
H-Index Metrics
-
Total54
-
Last 5 Years53
-
Last 5 Years / Total0.981
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* Total H Index Rankings
Rankings
83,180
World Rank
356
Country Rank
1
University
Ranking Based On Selection:
14
Engineering & Technology / Environmental Science & Engineering
Energy | Sustainability | Integrated Assessment | Climate Change Mitigation | Water-Energy-Land Nexu
Energy | Sustainability | Integrated Assessment | Climate Change Mitigation | Water-Energy-Land Nexu
H-Index Metrics
-
Total52
-
Last 5 Years48
-
Last 5 Years / Total0.923
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* Total H Index Rankings
Rankings
83,475
World Rank
361
Country Rank
46
University
Ranking Based On Selection:
15
Engineering & Technology / Environmental Science & Engineering
Antimicrobial Agents | Nanoformulation | Silver nanoparticles | Phosphate solubilization | Biofil
Antimicrobial Agents | Nanoformulation | Silver nanoparticles | Phosphate solubilization | Biofil
H-Index Metrics
-
Total52
-
Last 5 Years45
-
Last 5 Years / Total0.865
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* Total H Index Rankings
Rankings
85,938
World Rank
20
Country Rank
1
University
Ranking Based On Selection:
16
Engineering & Technology / Environmental Science & Engineering
Génie de l'Environnement | Génie des Procédés | Chimie de l'Environnemen
Génie de l'Environnement | Génie des Procédés | Chimie de l'Environnemen
H-Index Metrics
-
Total52
-
Last 5 Years31
-
Last 5 Years / Total0.596
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* Total H Index Rankings
Rankings
87,320
World Rank
119
Country Rank
39
University
Ranking Based On Selection:
17
Engineering & Technology / Environmental Science & Engineering
Membranes | Wastewater treatment | Environmental science | Food Packaging | Waste to Energ
Membranes | Wastewater treatment | Environmental science | Food Packaging | Waste to Energ
H-Index Metrics
-
Total51
-
Last 5 Years51
-
Last 5 Years / Total1.000
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* Total H Index Rankings
Rankings
87,450
World Rank
2
Country Rank
1
University
Ranking Based On Selection:
18
Engineering & Technology / Environmental Science & Engineering
DecentalizedAI RAG LLM | Data-sharing Industry4.0/5.0 | SemCom HoloCom | Maverse | D
DecentalizedAI RAG LLM | Data-sharing Industry4.0/5.0 | SemCom HoloCom | Maverse | D
H-Index Metrics
-
Total51
-
Last 5 Years48
-
Last 5 Years / Total0.941
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* Total H Index Rankings
Rankings
90,034
World Rank
93
Country Rank
23
University
Ranking Based On Selection:
19
* Total H Index Rankings
Rankings
92,607
World Rank
401
Country Rank
108
University
Ranking Based On Selection:
20
Engineering & Technology / Environmental Science & Engineering
Applied environmental microbiology | water quality | water reuse | antibiotic resistance | anaerobic processe
Applied environmental microbiology | water quality | water reuse | antibiotic resistance | anaerobic processe
H-Index Metrics
-
Total50
-
Last 5 Years42
-
Last 5 Years / Total0.840
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* Total H Index Rankings
Rankings
93,592
World Rank
167
Country Rank
6
University
Ranking Based On Selection:
21
Engineering & Technology / Environmental Science & Engineering
Environmental Science | Reproductive Toxicology | Endocrine Disruption | Hepatotoxicity | Drug Toxicit
Environmental Science | Reproductive Toxicology | Endocrine Disruption | Hepatotoxicity | Drug Toxicit
H-Index Metrics
-
Total50
-
Last 5 Years37
-
Last 5 Years / Total0.740
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* Total H Index Rankings
Rankings
101,997
World Rank
449
Country Rank
56
University
Ranking Based On Selection:
22
* Total H Index Rankings
Rankings
103,262
World Rank
469
Country Rank
59
University
Ranking Based On Selection:
23
Engineering & Technology / Environmental Science & Engineering
Climate Change | Climate Modelling | Radar and Satellite Meteorology | Monsoon Meteorolog
Climate Change | Climate Modelling | Radar and Satellite Meteorology | Monsoon Meteorolog
H-Index Metrics
-
Total48
-
Last 5 Years36
-
Last 5 Years / Total0.750
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* Total H Index Rankings
Rankings
108,967
World Rank
43
Country Rank
30
University
Ranking Based On Selection:
24
Engineering & Technology / Environmental Science & Engineering
Conservation of energy | thermal comfort and indoor air qualit
Conservation of energy | thermal comfort and indoor air qualit
H-Index Metrics
-
Total47
-
Last 5 Years34
-
Last 5 Years / Total0.723
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* Total H Index Rankings
Rankings
112,716
World Rank
121
Country Rank
57
University
Ranking Based On Selection:
25
Engineering & Technology / Environmental Science & Engineering
CO2 capture and conversion | Water/wastewater treatment | Climate chang
CO2 capture and conversion | Water/wastewater treatment | Climate chang
H-Index Metrics
-
Total46
-
Last 5 Years43
-
Last 5 Years / Total0.935
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Track your performance in real time — benchmark, compare, and improve. Stay ahead with instant insights and global peer comparisons.
Attract world-class talent across 211 disciplines. Find, connect, and recruit the brightest minds worldwide.
Unlock researcher and institutional impact with transparent contribution scores. Recognize, measure, and reward academic excellence at every level.
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Advancing global partnerships, mobility, and international visibility.
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