AD Scientific Index
 Open Nav
Login Login Pricing & Plans Pricing & Plans
Engineering & Technology

H-Index
Rankings

World 328 Scientists H-Index Engineering & Technology / Environmental Science & Engineering Rankings - 2026

This real-time ranking measures researchers’ academic productivity and impact at global, continental, national, and institutional levels using total and recent 5-year H-index data. Comparative analysis is available across 13 main fields and 221 academic disciplines.

map
×
Total 328 scientist, 48 country, 231 institution , Updates every 3 days
* Total H Index Rankings

Rankings

flag
4,149
World Rank
Hong Kong
35
Country Rank
University of Hong Kong Logo
7
University
Ranking Based On Selection:
1
Chuyang Tang
University of Hong Kong Pokfulam, Hong Kong
Engineering & Technology / Environmental Science & Engineering
Environmental engineering | Membrane technology | Desalination | Water reus

H-Index Metrics

  • Total
    125
  • Last 5 Years
    97
  • Last 5 Years / Total
    0.776
Get Full Access to Premium Data Get Full Access to Premium Data
* Total H Index Rankings

Rankings

flag
14,122
World Rank
United States
6,228
Country Rank
University of Maryland Center for Environmental Science Logo
2
University
Ranking Based On Selection:
2
Patricia Glibert
University of Maryland Center for Environmental Science Cambridge, United States
Engineering & Technology / Environmental Science & Engineering
eutrophication | nitrogen cycling | algal blooms | harmful alga

H-Index Metrics

  • Total
    91
  • Last 5 Years
    55
  • Last 5 Years / Total
    0.604
Get Full Access to Premium Data Get Full Access to Premium Data
* Total H Index Rankings

Rankings

flag
17,889
World Rank
United States
7,804
Country Rank
University of California Berkeley Logo
191
University
Ranking Based On Selection:
3
Krishna K Niyogi
University of California Berkeley Berkeley, United States
Engineering & Technology / Environmental Science & Engineering
Photosynthesis | Algal Biology | Plant Biology | Carbon Sequestration | Climate Chang

H-Index Metrics

  • Total
    85
  • Last 5 Years
    60
  • Last 5 Years / Total
    0.706
Get Full Access to Premium Data Get Full Access to Premium Data
* Total H Index Rankings

Rankings

flag
21,361
World Rank
United States
9,166
Country Rank
University of Arizona Logo
56
University
Ranking Based On Selection:
4
Raina Maier Miller
University of Arizona Tucson, United States
Engineering & Technology / Environmental Science & Engineering
environmental microbiology | biosurfactant

H-Index Metrics

  • Total
    81
  • Last 5 Years
    49
  • Last 5 Years / Total
    0.605
Get Full Access to Premium Data Get Full Access to Premium Data
* Total H Index Rankings

Rankings

flag
21,631
World Rank
United States
9,271
Country Rank
Purdue University Logo
49
University
Ranking Based On Selection:
5
Michael Ladisch
Purdue University West Lafayette, United States
Engineering & Technology / Environmental Science & Engineering
bioprocess engineering | bioseparations | biomedical engineering | bioenergy | food safet

H-Index Metrics

  • Total
    81
  • Last 5 Years
    39
  • Last 5 Years / Total
    0.481
Get Full Access to Premium Data Get Full Access to Premium Data
* Total H Index Rankings

Rankings

flag
25,788
World Rank
Pakistan
35
Country Rank
Government College University Lahore Logo
1
University
Ranking Based On Selection:
6
Abdul Sattar Nizami
Government College University Lahore Lahore, Pakistan
Engineering & Technology / Environmental Science & Engineering
Waste biorefinery | Waste-to-energy | Biofuels | Circular economy | Bioeconom

H-Index Metrics

  • Total
    76
  • Last 5 Years
    66
  • Last 5 Years / Total
    0.868
Get Full Access to Premium Data Get Full Access to Premium Data
* Total H Index Rankings

Rankings

flag
34,562
World Rank
Singapore
263
Country Rank
Nanyang Technological University Logo
85
University
Ranking Based On Selection:
7
Darren Delai Sun
Nanyang Technological University Jurong West, Singapore
Engineering & Technology / Environmental Science & Engineering
Environmental Engineering | Membrane Separation | Environmental Nanotechnology | Water and Desalination | Environmental Material

H-Index Metrics

  • Total
    70
  • Last 5 Years
    39
  • Last 5 Years / Total
    0.557
Get Full Access to Premium Data Get Full Access to Premium Data
* Total H Index Rankings

Rankings

flag
38,478
World Rank
United States
15,617
Country Rank
University of Notre Dame Logo
40
University
Ranking Based On Selection:
8
Kyle Bibby
University of Notre Dame Notre Dame, United States
Engineering & Technology / Environmental Science & Engineering
Environmental Engineering | Microbiolog

H-Index Metrics

  • Total
    67
  • Last 5 Years
    55
  • Last 5 Years / Total
    0.821
Get Full Access to Premium Data Get Full Access to Premium Data
* Total H Index Rankings

Rankings

flag
39,631
World Rank
United States
16,008
Country Rank
University of Alaska Fairbanks Logo
9
University
Ranking Based On Selection:
9
Larry Hinzman
University of Alaska Fairbanks Fairbanks, United States
Engineering & Technology / Environmental Science & Engineering
Arctic Scienc

H-Index Metrics

  • Total
    67
  • Last 5 Years
    36
  • Last 5 Years / Total
    0.537
Get Full Access to Premium Data Get Full Access to Premium Data
* Total H Index Rankings

Rankings

flag
44,070
World Rank
South Korea
539
Country Rank
Ajou University Logo
6
University
Ranking Based On Selection:
10
Jechan Lee
Ajou University Berlin, South Korea
Engineering & Technology / Environmental Science & Engineering
Waste valorization | Sustainable chemistry | Environmental Engineering | Chemical Engineerin

H-Index Metrics

  • Total
    64
  • Last 5 Years
    61
  • Last 5 Years / Total
    0.953
Get Full Access to Premium Data Get Full Access to Premium Data
* Total H Index Rankings

Rankings

flag
44,319
World Rank
India
418
Country Rank
Jawaharlal Nehru University Logo
4
University
Ranking Based On Selection:
11
Indu Shekhar Thakur
Jawaharlal Nehru University New Delhi, India
Engineering & Technology / Environmental Science & Engineering
Environmental Microbiology and Biotechnology | Bioremediation | bioconversion and detoxification | Carbon dioxide sequestration an

H-Index Metrics

  • Total
    64
  • Last 5 Years
    52
  • Last 5 Years / Total
    0.813
Get Full Access to Premium Data Get Full Access to Premium Data
* Total H Index Rankings

Rankings

flag
49,323
World Rank
South Korea
628
Country Rank
Gwangju Institute of Science & Technology Logo
7
University
Ranking Based On Selection:
12
In Seop Chang
Gwangju Institute of Science & Technology Noida, South Korea
Engineering & Technology / Environmental Science & Engineering
environmen

H-Index Metrics

  • Total
    62
  • Last 5 Years
    42
  • Last 5 Years / Total
    0.677
Get Full Access to Premium Data Get Full Access to Premium Data
* Total H Index Rankings

Rankings

flag
52,685
World Rank
United States
20,597
Country Rank
Texas A&M University Commerce Logo
4
University
Ranking Based On Selection:
13
Paul Montagna
Texas A&M University Commerce Commerce, United States
Engineering & Technology / Environmental Science & Engineering
Environmental science | Ecology | Marine science | Biological oceanograph

H-Index Metrics

  • Total
    61
  • Last 5 Years
    32
  • Last 5 Years / Total
    0.525
Get Full Access to Premium Data Get Full Access to Premium Data
* Total H Index Rankings

Rankings

flag
54,698
World Rank
South Korea
712
Country Rank
Gwangju Institute of Science & Technology Logo
9
University
Ranking Based On Selection:
14
Jaeyoung Lee, 베를린광주리
Gwangju Institute of Science & Technology Noida, South Korea
Engineering & Technology / Environmental Science & Engineering
CO2RR | Water Electrolysis | Li-S Battery | Fuel Cells | Scale-up Scienc

H-Index Metrics

  • Total
    60
  • Last 5 Years
    36
  • Last 5 Years / Total
    0.600
Get Full Access to Premium Data Get Full Access to Premium Data
* Total H Index Rankings

Rankings

flag
55,916
World Rank
India
616
Country Rank
Banaras Hindu University Logo
10
University
Ranking Based On Selection:
15
Jay Prakash Verma
Banaras Hindu University Varanasi, India
Engineering & Technology / Environmental Science & Engineering
PGPR-Sustainable Agriculture | Plant-microbes interaction | Bioremediation | Bioethanol Production | Plant microbiom

H-Index Metrics

  • Total
    59
  • Last 5 Years
    52
  • Last 5 Years / Total
    0.881
Get Full Access to Premium Data Get Full Access to Premium Data
* Total H Index Rankings

Rankings

flag
58,334
World Rank
United States
22,524
Country Rank
University of Maryland Center for Environmental Science Logo
13
University
Ranking Based On Selection:
16
Michael Roman
University of Maryland Center for Environmental Science Cambridge, United States
Engineering & Technology / Environmental Science & Engineering
Biological oceanography | zooplankton ecology | hypoxia effects on pelagic food web

H-Index Metrics

  • Total
    59
  • Last 5 Years
    23
  • Last 5 Years / Total
    0.390
Get Full Access to Premium Data Get Full Access to Premium Data
* Total H Index Rankings

Rankings

flag
62,128
World Rank
South Korea
824
Country Rank
Gwangju Institute of Science & Technology Logo
10
University
Ranking Based On Selection:
17
Jinho Yoon
Gwangju Institute of Science & Technology Noida, South Korea
Engineering & Technology / Environmental Science & Engineering
Climate Variability and Change | Climate Dynamics | Climate Modeling | Hydrological cycl

H-Index Metrics

  • Total
    57
  • Last 5 Years
    43
  • Last 5 Years / Total
    0.754
Get Full Access to Premium Data Get Full Access to Premium Data
* Total H Index Rankings

Rankings

flag
64,552
World Rank
South Korea
860
Country Rank
Ulsan National Institute of Science & Technology UNIST Logo
25
University
Ranking Based On Selection:
18
Kyung Hwa Cho
Ulsan National Institute of Science & Technology UNIST Eonyang, South Korea
Engineering & Technology / Environmental Science & Engineering
Environmental A

H-Index Metrics

  • Total
    56
  • Last 5 Years
    49
  • Last 5 Years / Total
    0.875
Get Full Access to Premium Data Get Full Access to Premium Data
* Total H Index Rankings

Rankings

flag
64,567
World Rank
Qatar
58
Country Rank
Qatar University Logo
26
University
Ranking Based On Selection:
19
Juha M Alatalo
Qatar University Doha, Qatar
Engineering & Technology / Environmental Science & Engineering
Climate change ecology | Climate change vulnerability | Vegetation Science | Soil biodiversity | ITE

H-Index Metrics

  • Total
    56
  • Last 5 Years
    49
  • Last 5 Years / Total
    0.875
Get Full Access to Premium Data Get Full Access to Premium Data
* Total H Index Rankings

Rankings

flag
75,506
World Rank
United States
28,173
Country Rank
University of Alaska Fairbanks Logo
21
University
Ranking Based On Selection:
20
Katey Walter Anthony
University of Alaska Fairbanks Fairbanks, United States
Engineering & Technology / Environmental Science & Engineering
permafrost | Arctic lakes | methane | carbon | climate chang

H-Index Metrics

  • Total
    53
  • Last 5 Years
    42
  • Last 5 Years / Total
    0.792
Get Full Access to Premium Data Get Full Access to Premium Data
* Total H Index Rankings

Rankings

flag
83,059
World Rank
Iran
525
Country Rank
Gonabad University of Medical Sciences Logo
1
University
Ranking Based On Selection:
21
Ahmad Zarei
Gonabad University of Medical Sciences Gonabad, Iran
Engineering & Technology / Environmental Science & Engineering
Water pollution | Soil pollution | Air pollution | Food contaminants | Risk assessmen

H-Index Metrics

  • Total
    51
  • Last 5 Years
    44
  • Last 5 Years / Total
    0.863
Get Full Access to Premium Data Get Full Access to Premium Data
* Total H Index Rankings

Rankings

flag
84,086
World Rank
United States
30,859
Country Rank
University of Michigan Logo
694
University
Ranking Based On Selection:
22
Matt Friedman
University of Michigan Ann Arbor, United States
Engineering & Technology / Environmental Science & Engineering
ichthyology | paleontology | macroevolution | fishes | anatom

H-Index Metrics

  • Total
    51
  • Last 5 Years
    37
  • Last 5 Years / Total
    0.725
Get Full Access to Premium Data Get Full Access to Premium Data
* Total H Index Rankings

Rankings

flag
87,432
World Rank
Malaysia
290
Country Rank
Universiti Teknologi Malaysia Logo
31
University
Ranking Based On Selection:
23
Chew Tin Lee
Universiti Teknologi Malaysia Johor, Malaysia
Engineering & Technology / Environmental Science & Engineering
Environmental Engineering | Solid waste | Compostin

H-Index Metrics

  • Total
    50
  • Last 5 Years
    43
  • Last 5 Years / Total
    0.860
Get Full Access to Premium Data Get Full Access to Premium Data
* Total H Index Rankings

Rankings

flag
89,871
World Rank
South Korea
1,351
Country Rank
Gwangju Institute of Science & Technology Logo
18
University
Ranking Based On Selection:
24
Joon Ha Kim
Gwangju Institute of Science & Technology Noida, South Korea
Engineering & Technology / Environmental Science & Engineering
Wate

H-Index Metrics

  • Total
    50
  • Last 5 Years
    31
  • Last 5 Years / Total
    0.620
Get Full Access to Premium Data Get Full Access to Premium Data
* Total H Index Rankings

Rankings

flag
96,364
World Rank
United Kingdom
7,686
Country Rank
Royal Agricultural University Logo
2
University
Ranking Based On Selection:
25
David O Connor
Royal Agricultural University Cirencester, United Kingdom
Engineering & Technology / Environmental Science & Engineering
environmental risk management | biochar | soil pollution | remediation | agricultur

H-Index Metrics

  • Total
    48
  • Last 5 Years
    48
  • Last 5 Years / Total
    1.000
Get Full Access to Premium Data Get Full Access to Premium Data
Smart Institutional Excellence Plan
360° Real-Time Academic Performance Analysis
Strategic Researcher Transfer Tools
Academic Contribution Analytics Module
Unlock Your Academic Potential Today

🌍 Be Our Partner: Representation & Collaboration

Represent AD Scientific Index in your country or region — and grow with us.

  • ✅ Official recognition as a regional partner
  • ✅ Visibility partnership with full brand support
  • ✅ Help institutions in your region enhance their academic visibility
  • ✅ Contribute to value-driven projects with measurable academic impact
Discover Universities That Trust Us

Discover Universities That Trust Us

Curious about institutions benefiting from the AD Scientific Index?