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H-Index
Rankings

Africa 2,049 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.

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Total 2.049 scientist , 54 country , 1,582 institution , Updates every 3 days
* Total H Index Rankings

Rankings

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17,004
World Rank
South Africa
52
Country Rank
Rhodes University Logo
1
University
Ranking Based On Selection:
1
Charlie Shackleton
Rhodes University Grahamstown, South Africa
Engineering & Technology / Environmental Science & Engineering

H-Index Metrics

  • Total
    88
  • Last 5 Years
    58
  • Last 5 Years / Total
    0.659
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* Total H Index Rankings

Rankings

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31,581
World Rank
South Africa
95
Country Rank
University of Cape Town Logo
23
University
Ranking Based On Selection:
2
Mark New
University of Cape Town Cape Town, South Africa
Engineering & Technology / Environmental Science & Engineering
Climate Chang

H-Index Metrics

  • Total
    73
  • Last 5 Years
    53
  • Last 5 Years / Total
    0.726
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* Total H Index Rankings

Rankings

flag
34,169
World Rank
South Africa
112
Country Rank
Durban University of Technology Logo
1
University
Ranking Based On Selection:
3
Faizal Bux
Durban University of Technology Durban, South Africa
Engineering & Technology / Environmental Science & Engineering
Wastewater Technology | Algal Biotechnology | Biofuels | Bioremediatio

H-Index Metrics

  • Total
    71
  • Last 5 Years
    60
  • Last 5 Years / Total
    0.845
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* Total H Index Rankings

Rankings

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49,995
World Rank
Ethiopia
7
Country Rank
Addis Ababa University Logo
6
University
Ranking Based On Selection:
4
Mazharuddin Khan
Addis Ababa University Addis Ababa, Ethiopia
Engineering & Technology / Environmental Science & Engineering
enviornmental science | enviornmental biolog

H-Index Metrics

  • Total
    63
  • Last 5 Years
    41
  • Last 5 Years / Total
    0.651
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* Total H Index Rankings

Rankings

flag
50,476
World Rank
South Africa
159
Country Rank
University of Cape Town Logo
37
University
Ranking Based On Selection:
5
George Ekama
University of Cape Town Cape Town, South Africa
Engineering & Technology / Environmental Science & Engineering
Environmental Engineernin

H-Index Metrics

  • Total
    63
  • Last 5 Years
    36
  • Last 5 Years / Total
    0.571
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* Total H Index Rankings

Rankings

flag
65,651
World Rank
South Africa
223
Country Rank
University of South Africa Logo
5
University
Ranking Based On Selection:
6
Ali Akbar Zinatizadeh
University of South Africa Pretoria, South Africa
Engineering & Technology / Environmental Science & Engineering
Wastewater treatment technologies | Bioreactors | Membrane technology | Water reuse | Resource recover

H-Index Metrics

  • Total
    57
  • Last 5 Years
    43
  • Last 5 Years / Total
    0.754
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* Total H Index Rankings

Rankings

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71,789
World Rank
South Africa
243
Country Rank
University of Cape Town Logo
62
University
Ranking Based On Selection:
7
Gina Ziervogel
University of Cape Town Cape Town, South Africa
Engineering & Technology / Environmental Science & Engineering
vulnerability | adaptation | climate change | developmen

H-Index Metrics

  • Total
    55
  • Last 5 Years
    47
  • Last 5 Years / Total
    0.855
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* Total H Index Rankings

Rankings

flag
77,002
World Rank
South Africa
273
Country Rank
University of Cape Town Logo
68
University
Ranking Based On Selection:
8
Harald Winkler
University of Cape Town Cape Town, South Africa
Engineering & Technology / Environmental Science & Engineering
climate change mitigation | poverty | global stocktake | policy analysis | sustainable developmen

H-Index Metrics

  • Total
    54
  • Last 5 Years
    36
  • Last 5 Years / Total
    0.667
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* Total H Index Rankings

Rankings

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84,485
World Rank
South Africa
310
Country Rank
Tshwane University of Technology Logo
3
University
Ranking Based On Selection:
9
Maurice S. Onyango
Tshwane University of Technology Pretoria, South Africa
Engineering & Technology / Environmental Science & Engineering
Adsorption | Water treatment | nanotechnolog

H-Index Metrics

  • Total
    52
  • Last 5 Years
    38
  • Last 5 Years / Total
    0.731
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* Total H Index Rankings

Rankings

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85,861
World Rank
Algeria
20
Country Rank
Université de Bouira Logo
1
University
Ranking Based On Selection:
10
Hakim Lounici
Université de Bouira Bouïra, Algeria
Engineering & Technology / Environmental Science & Engineering
Génie de l'Environnement | Génie des Procédés | Chimie de l'Environnemen

H-Index Metrics

  • Total
    52
  • Last 5 Years
    31
  • Last 5 Years / Total
    0.596
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* Total H Index Rankings

Rankings

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91,964
World Rank
South Africa
338
Country Rank
University of Cape Town Logo
83
University
Ranking Based On Selection:
11
Christopher Lennard
University of Cape Town Cape Town, South Africa
Engineering & Technology / Environmental Science & Engineering
Climate Scienc

H-Index Metrics

  • Total
    50
  • Last 5 Years
    47
  • Last 5 Years / Total
    0.940
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* Total H Index Rankings

Rankings

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93,507
World Rank
Egypt
166
Country Rank
Alexandria University Logo
6
University
Ranking Based On Selection:
12
Mokhtar Ibrahim Yousef
Alexandria University Alexandria, Egypt
Engineering & Technology / Environmental Science & Engineering
Environmental Science | Reproductive Toxicology | Endocrine Disruption | Hepatotoxicity | Drug Toxicit

H-Index Metrics

  • Total
    50
  • Last 5 Years
    37
  • Last 5 Years / Total
    0.740
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* Total H Index Rankings

Rankings

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101,690
World Rank
South Africa
396
Country Rank
University of Cape Town Logo
99
University
Ranking Based On Selection:
13
Christopher Trisos
University of Cape Town Cape Town, South Africa
Engineering & Technology / Environmental Science & Engineering
climate change | risk | biodiversity | health | sustainabilit

H-Index Metrics

  • Total
    48
  • Last 5 Years
    45
  • Last 5 Years / Total
    0.938
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* Total H Index Rankings

Rankings

flag
101,997
World Rank
South Africa
398
Country Rank
University of Johannesburg Logo
25
University
Ranking Based On Selection:
14
Charles Mbohwa
University of Johannesburg Johannesburg, South Africa
Engineering & Technology / Environmental Science & Engineering
sustainability engineering | biogas | LCA | Future Technologie

H-Index Metrics

  • Total
    48
  • Last 5 Years
    42
  • Last 5 Years / Total
    0.875
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* Total H Index Rankings

Rankings

flag
120,571
World Rank
South Africa
483
Country Rank
Tshwane University of Technology Logo
7
University
Ranking Based On Selection:
15
MNB Momba
Tshwane University of Technology Pretoria, South Africa
Engineering & Technology / Environmental Science & Engineering
Water Microbiology | nanotechnology | biotechnolog

H-Index Metrics

  • Total
    45
  • Last 5 Years
    33
  • Last 5 Years / Total
    0.733
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* Total H Index Rankings

Rankings

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126,393
World Rank
Morocco
62
Country Rank
Mohammed VI Polytechnic University Logo
12
University
Ranking Based On Selection:
16
Mohamed Chaker Ncibi
Mohammed VI Polytechnic University Ben Guerir, Morocco
Engineering & Technology / Environmental Science & Engineering
Environmental Engineering | Water Treatment | Desalination | Circular Econom

H-Index Metrics

  • Total
    44
  • Last 5 Years
    35
  • Last 5 Years / Total
    0.795
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* Total H Index Rankings

Rankings

flag
132,290
World Rank
Tunisia
28
Country Rank
Université de Sfax Logo
12
University
Ranking Based On Selection:
17
Slim Abdelkafi
Université de Sfax Sfax, Tunisia
Engineering & Technology / Environmental Science & Engineering
Microbiologie de l'Environnemen

H-Index Metrics

  • Total
    43
  • Last 5 Years
    37
  • Last 5 Years / Total
    0.860
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* Total H Index Rankings

Rankings

flag
134,944
World Rank
Ethiopia
23
Country Rank
Addis Ababa University Logo
11
University
Ranking Based On Selection:
18
Joon Wun Kang
Addis Ababa University Addis Ababa, Ethiopia
Engineering & Technology / Environmental Science & Engineering
Advanced Oxidation Processes | Ozone | UV | Electrolysi

H-Index Metrics

  • Total
    43
  • Last 5 Years
    30
  • Last 5 Years / Total
    0.698
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* Total H Index Rankings

Rankings

flag
138,540
World Rank
Egypt
300
Country Rank
Egypt Japan University of Science & Technology Logo
4
University
Ranking Based On Selection:
19
Mahmoud Nasr
Egypt Japan University of Science & Technology Alexandria, Egypt
Engineering & Technology / Environmental Science & Engineering
Environmental Engineering | Wastewater Treatment | Environmental Modeling | Pollution | Waste Managemen

H-Index Metrics

  • Total
    42
  • Last 5 Years
    40
  • Last 5 Years / Total
    0.952
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* Total H Index Rankings

Rankings

flag
139,231
World Rank
South Africa
582
Country Rank
University of Venda Logo
3
University
Ranking Based On Selection:
20
John Odiyo
University of Venda Thohoyandou, South Africa
Engineering & Technology / Environmental Science & Engineering
water resources analysis and modelling | water quality analysis and remediation | surface and groundwater hydrolog

H-Index Metrics

  • Total
    42
  • Last 5 Years
    37
  • Last 5 Years / Total
    0.881
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* Total H Index Rankings

Rankings

flag
139,572
World Rank
Egypt
310
Country Rank
Egypt Japan University of Science & Technology Logo
5
University
Ranking Based On Selection:
21
Hassan Shokry
Egypt Japan University of Science & Technology Alexandria, Egypt
Engineering & Technology / Environmental Science & Engineering
Sensors Applications | Environmental Science | air Pollution Control | Materials Science | Semiconducto

H-Index Metrics

  • Total
    42
  • Last 5 Years
    36
  • Last 5 Years / Total
    0.857
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* Total H Index Rankings

Rankings

flag
146,376
World Rank
South Africa
615
Country Rank
University of South Africa Logo
16
University
Ranking Based On Selection:
22
Godwell Nhamo
University of South Africa Pretoria, South Africa
Engineering & Technology / Environmental Science & Engineering
Climate Change | Loss and Damage | Disaster Risk Reduction | SDGs | Coastal Resilience and Livelihood

H-Index Metrics

  • Total
    41
  • Last 5 Years
    38
  • Last 5 Years / Total
    0.927
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* Total H Index Rankings

Rankings

flag
146,381
World Rank
Morocco
75
Country Rank
Université Cadi Ayyad Marrakech Logo
4
University
Ranking Based On Selection:
23
Rachid Hakkou
Université Cadi Ayyad Marrakech Marrakech, Morocco
Engineering & Technology / Environmental Science & Engineering
Mining Environment | Solid Waste | Valorization | Mineral Processin

H-Index Metrics

  • Total
    41
  • Last 5 Years
    38
  • Last 5 Years / Total
    0.927
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* Total H Index Rankings

Rankings

flag
146,655
World Rank
Ethiopia
27
Country Rank
Jimma University Logo
4
University
Ranking Based On Selection:
24
Argaw Ambelu
Jimma University Jimma, Ethiopia
Engineering & Technology / Environmental Science & Engineering
Environmental Health | WaSH | Capacity Building | Public Healt

H-Index Metrics

  • Total
    41
  • Last 5 Years
    37
  • Last 5 Years / Total
    0.902
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* Total H Index Rankings

Rankings

flag
147,583
World Rank
South Africa
622
Country Rank
Durban University of Technology Logo
9
University
Ranking Based On Selection:
25
Ismail Rawat
Durban University of Technology Durban, South Africa
Engineering & Technology / Environmental Science & Engineering
Algal Biofuels | Biotechnology | Nutrient recover

H-Index Metrics

  • Total
    41
  • Last 5 Years
    35
  • Last 5 Years / Total
    0.854
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