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Saudi Arabia 103 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
2,230
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
-
Total148
-
Last 5 Years122
-
Last 5 Years / Total0.824
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* Total H Index Rankings
Rankings
27,418
World Rank
87
Country Rank
36
University
Ranking Based On Selection:
2
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
46,769
World Rank
171
Country Rank
21
University
Ranking Based On Selection:
3
* Total H Index Rankings
Rankings
64,894
World Rank
261
Country Rank
31
University
Ranking Based On Selection:
4
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
71,553
World Rank
297
Country Rank
38
University
Ranking Based On Selection:
5
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
71,662
World Rank
299
Country Rank
91
University
Ranking Based On Selection:
6
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
82,824
World Rank
356
Country Rank
1
University
Ranking Based On Selection:
7
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
83,134
World Rank
359
Country Rank
46
University
Ranking Based On Selection:
8
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
92,246
World Rank
400
Country Rank
108
University
Ranking Based On Selection:
9
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
101,618
World Rank
448
Country Rank
56
University
Ranking Based On Selection:
10
* Total H Index Rankings
Rankings
102,877
World Rank
464
Country Rank
59
University
Ranking Based On Selection:
11
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
112,714
World Rank
529
Country Rank
127
University
Ranking Based On Selection:
12
Engineering & Technology / Environmental Science & Engineering
Water splitting | CO2 electroreduction | Clean energ
Water splitting | CO2 electroreduction | Clean energ
H-Index Metrics
-
Total46
-
Last 5 Years40
-
Last 5 Years / Total0.870
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* Total H Index Rankings
Rankings
140,553
World Rank
695
Country Rank
77
University
Ranking Based On Selection:
13
* Total H Index Rankings
Rankings
154,839
World Rank
767
Country Rank
149
University
Ranking Based On Selection:
14
Engineering & Technology / Environmental Science & Engineering
Modeling & Programing-Simulation & Optimizatio
Modeling & Programing-Simulation & Optimizatio
H-Index Metrics
-
Total40
-
Last 5 Years35
-
Last 5 Years / Total0.875
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* Total H Index Rankings
Rankings
172,448
World Rank
852
Country Rank
95
University
Ranking Based On Selection:
15
* Total H Index Rankings
Rankings
178,312
World Rank
885
Country Rank
13
University
Ranking Based On Selection:
16
* Total H Index Rankings
Rankings
184,383
World Rank
934
Country Rank
103
University
Ranking Based On Selection:
17
Engineering & Technology / Environmental Science & Engineering
Environmental Sciences- Metalo-Phthalocyanine -nano-materiaux - essential oil
Environmental Sciences- Metalo-Phthalocyanine -nano-materiaux - essential oil
H-Index Metrics
-
Total37
-
Last 5 Years29
-
Last 5 Years / Total0.784
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* Total H Index Rankings
Rankings
203,449
World Rank
1,051
Country Rank
16
University
Ranking Based On Selection:
18
Engineering & Technology / Environmental Science & Engineering
Environment : pollution and wastewater treatment | Nanotechnolog
Environment : pollution and wastewater treatment | Nanotechnolog
H-Index Metrics
-
Total35
-
Last 5 Years32
-
Last 5 Years / Total0.914
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* Total H Index Rankings
Rankings
205,772
World Rank
1,078
Country Rank
190
University
Ranking Based On Selection:
19
Engineering & Technology / Environmental Science & Engineering
Membrane fabrication | Desalination | Nanofiber | Nanomaterials | Water treatmen
Membrane fabrication | Desalination | Nanofiber | Nanomaterials | Water treatmen
H-Index Metrics
-
Total35
-
Last 5 Years29
-
Last 5 Years / Total0.829
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* Total H Index Rankings
Rankings
214,186
World Rank
1,112
Country Rank
37
University
Ranking Based On Selection:
20
Engineering & Technology / Environmental Science & Engineering
Polymer nanocomposites | water purification | nano materials | Biochar | solid waste managemen
Polymer nanocomposites | water purification | nano materials | Biochar | solid waste managemen
H-Index Metrics
-
Total34
-
Last 5 Years34
-
Last 5 Years / Total1.000
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* Total H Index Rankings
Rankings
232,288
World Rank
1,224
Country Rank
52
University
Ranking Based On Selection:
21
Engineering & Technology / Environmental Science & Engineering
Environmental Engineering/wastewater treatment and the production of high-value-added products from waste and natural source
Environmental Engineering/wastewater treatment and the production of high-value-added products from waste and natural source
H-Index Metrics
-
Total33
-
Last 5 Years26
-
Last 5 Years / Total0.788
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* Total H Index Rankings
Rankings
241,507
World Rank
1,259
Country Rank
40
University
Ranking Based On Selection:
22
Engineering & Technology / Environmental Science & Engineering
Water & Environmental Eng | Advanced Wastewater treatment | Wastes managemen
Water & Environmental Eng | Advanced Wastewater treatment | Wastes managemen
H-Index Metrics
-
Total32
-
Last 5 Years30
-
Last 5 Years / Total0.938
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* Total H Index Rankings
Rankings
243,447
World Rank
1,278
Country Rank
133
University
Ranking Based On Selection:
23
Engineering & Technology / Environmental Science & Engineering
Environmental Microbiology and Biotechnolog
Environmental Microbiology and Biotechnolog
H-Index Metrics
-
Total32
-
Last 5 Years28
-
Last 5 Years / Total0.875
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* Total H Index Rankings
Rankings
245,172
World Rank
1,291
Country Rank
41
University
Ranking Based On Selection:
24
Engineering & Technology / Environmental Science & Engineering
Air Pollution & Control | Circular Economy | Waste Management | Prediction & Modeling
Air Pollution & Control | Circular Economy | Waste Management | Prediction & Modeling
H-Index Metrics
-
Total32
-
Last 5 Years26
-
Last 5 Years / Total0.813
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* Total H Index Rankings
Rankings
278,176
World Rank
1,511
Country Rank
43
University
Ranking Based On Selection:
25
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