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World Scientist and University Rankings 2026
Philippines Engineering & Technology / Environmental Science & Engineering 224 Scientists Subject Rankings
The AD Scientific Index (Alper-Doger Scientific Index) provides the most comprehensive analysis across 13 main fields and 211 sub-branches at global, national, and regional levels. These analyses are based on indicators such as the H-index, i10-index, and citation count, including their values from the last 5 years. As of Jan 02, 2026, the rankings are determined according to the Total H Index. BETA VERSION: The subject field rankings for the world, regions, countries, and universities are currently in their Beta phase. This is due to the exclusion of (1.131.752) scientists categorized under ‘Others’, whose profiles have yet to be determined, edited, or classified. As updates are made to these fields, the rankings will be adjusted accordingly. Note: Please keep this in mind while reviewing the rankings. For further details, explore our [University Subject Rankings].
* Total H Index Rankings
Rankings
168,959
World Rank
39
Country Rank
8
University
Ranking Based On Selection:
1
Engineering & Technology / Environmental Science & Engineering
Environmental Chemistry and Ecotoxicology | Science Educatio
Environmental Chemistry and Ecotoxicology | Science Educatio
H-Index Metrics
-
H-Index39
-
i10 Index61
-
Citation Counts9,449
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* Total H Index Rankings
Rankings
198,132
World Rank
47
Country Rank
1
University
Ranking Based On Selection:
2
Engineering & Technology / Environmental Science & Engineering
climate change | disaster risk management | community-based natural resource management | natural resources policy and governanc
climate change | disaster risk management | community-based natural resource management | natural resources policy and governanc
H-Index Metrics
-
H-Index36
-
i10 Index88
-
Citation Counts7,612
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* Total H Index Rankings
Rankings
216,354
World Rank
52
Country Rank
11
University
Ranking Based On Selection:
3
Engineering & Technology / Environmental Science & Engineering
Hazardous Waste Management | POPs Management | electronic waste | health impact assessmen
Hazardous Waste Management | POPs Management | electronic waste | health impact assessmen
H-Index Metrics
-
H-Index34
-
i10 Index52
-
Citation Counts3,779
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* Total H Index Rankings
Rankings
328,473
World Rank
107
Country Rank
10
University
Ranking Based On Selection:
4
Engineering & Technology / Environmental Science & Engineering
Air Quality | Atmospheric Chemistry and Physics | Instrumentatio
Air Quality | Atmospheric Chemistry and Physics | Instrumentatio
H-Index Metrics
-
H-Index27
-
i10 Index36
-
Citation Counts2,870
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* Total H Index Rankings
Rankings
481,853
World Rank
224
Country Rank
49
University
Ranking Based On Selection:
5
Engineering & Technology / Environmental Science & Engineering
membrane | environmental engineering | catalysi
membrane | environmental engineering | catalysi
H-Index Metrics
-
H-Index21
-
i10 Index25
-
Citation Counts3,033
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* Total H Index Rankings
Rankings
483,789
World Rank
228
Country Rank
3
University
Ranking Based On Selection:
6
Engineering & Technology / Environmental Science & Engineering
Water Science | Water Management | Agricultural Engineerin
Water Science | Water Management | Agricultural Engineerin
H-Index Metrics
-
H-Index21
-
i10 Index33
-
Citation Counts3,961
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* Total H Index Rankings
Rankings
527,014
World Rank
274
Country Rank
26
University
Ranking Based On Selection:
7
Engineering & Technology / Environmental Science & Engineering
Marine mammal science and environmental scienc
Marine mammal science and environmental scienc
H-Index Metrics
-
H-Index20
-
i10 Index28
-
Citation Counts1,288
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* Total H Index Rankings
Rankings
539,497
World Rank
288
Country Rank
1
University
Ranking Based On Selection:
8
Engineering & Technology / Environmental Science & Engineering
Biofuel | Bioenergy | Wastewater | Adsorptio
Biofuel | Bioenergy | Wastewater | Adsorptio
H-Index Metrics
-
H-Index19
-
i10 Index24
-
Citation Counts1,450
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* Total H Index Rankings
Rankings
560,453
World Rank
306
Country Rank
69
University
Ranking Based On Selection:
9
Engineering & Technology / Environmental Science & Engineering
Coastal Marine Ecology | Seagrass Ecology | Mangrove Ecolog
Coastal Marine Ecology | Seagrass Ecology | Mangrove Ecolog
H-Index Metrics
-
H-Index19
-
i10 Index25
-
Citation Counts1,212
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* Total H Index Rankings
Rankings
576,603
World Rank
331
Country Rank
9
University
Ranking Based On Selection:
10
Engineering & Technology / Environmental Science & Engineering
Environmental Engineering | Resource recovery | Separation Processes | Zeolit
Environmental Engineering | Resource recovery | Separation Processes | Zeolit
H-Index Metrics
-
H-Index18
-
i10 Index21
-
Citation Counts1,278
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* Total H Index Rankings
Rankings
601,061
World Rank
362
Country Rank
86
University
Ranking Based On Selection:
11
Engineering & Technology / Environmental Science & Engineering
environmental statistics | climate change | statistical hydrolog
environmental statistics | climate change | statistical hydrolog
H-Index Metrics
-
H-Index18
-
i10 Index26
-
Citation Counts2,475
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* Total H Index Rankings
Rankings
628,493
World Rank
399
Country Rank
96
University
Ranking Based On Selection:
12
Engineering & Technology / Environmental Science & Engineering
Disaster Risk Reduction | Climate Change Adaptation | Development Plannin
Disaster Risk Reduction | Climate Change Adaptation | Development Plannin
H-Index Metrics
-
H-Index17
-
i10 Index19
-
Citation Counts1,237
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* Total H Index Rankings
Rankings
633,492
World Rank
401
Country Rank
1
University
Ranking Based On Selection:
13
Engineering & Technology / Environmental Science & Engineering
Soil Science & plant nutrition | Environmental pollution | soil degradatio
Soil Science & plant nutrition | Environmental pollution | soil degradatio
H-Index Metrics
-
H-Index17
-
i10 Index19
-
Citation Counts2,307
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* Total H Index Rankings
Rankings
639,535
World Rank
412
Country Rank
102
University
Ranking Based On Selection:
14
Engineering & Technology / Environmental Science & Engineering
Environmental Science | Geography | Social impact assessmen
Environmental Science | Geography | Social impact assessmen
H-Index Metrics
-
H-Index17
-
i10 Index25
-
Citation Counts3,279
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* Total H Index Rankings
Rankings
696,302
World Rank
485
Country Rank
42
University
Ranking Based On Selection:
15
Engineering & Technology / Environmental Science & Engineering
Climate change | Agriculture | crop modellin
Climate change | Agriculture | crop modellin
H-Index Metrics
-
H-Index15
-
i10 Index18
-
Citation Counts1,071
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* Total H Index Rankings
Rankings
767,023
World Rank
602
Country Rank
162
University
Ranking Based On Selection:
16
Engineering & Technology / Environmental Science & Engineering
environmental processes | wastewater treatment | diagnostics | material
environmental processes | wastewater treatment | diagnostics | material
H-Index Metrics
-
H-Index14
-
i10 Index15
-
Citation Counts955
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* Total H Index Rankings
Rankings
805,874
World Rank
667
Country Rank
3
University
Ranking Based On Selection:
17
Engineering & Technology / Environmental Science & Engineering
Biomass to energy conversion | water and wastewater engineering | Environmental Engineerin
Biomass to energy conversion | water and wastewater engineering | Environmental Engineerin
H-Index Metrics
-
H-Index13
-
i10 Index13
-
Citation Counts614
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* Total H Index Rankings
Rankings
836,215
World Rank
702
Country Rank
34
University
Ranking Based On Selection:
18
Engineering & Technology / Environmental Science & Engineering
Disaster Risk Management | Climate Change Adaptation | Nature-based Solutions | Displacement and Migration | Indigenous Knowledg
Disaster Risk Management | Climate Change Adaptation | Nature-based Solutions | Displacement and Migration | Indigenous Knowledg
H-Index Metrics
-
H-Index13
-
i10 Index13
-
Citation Counts680
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* Total H Index Rankings
Rankings
869,634
World Rank
754
Country Rank
24
University
Ranking Based On Selection:
19
Engineering & Technology / Environmental Science & Engineering
Environmental and Materials Science and Engineerin
Environmental and Materials Science and Engineerin
H-Index Metrics
-
H-Index12
-
i10 Index12
-
Citation Counts489
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* Total H Index Rankings
Rankings
888,245
World Rank
786
Country Rank
1
University
Ranking Based On Selection:
20
Engineering & Technology / Environmental Science & Engineering
Environmental Science | Educational Administration | Business Management and Public Administratio
Environmental Science | Educational Administration | Business Management and Public Administratio
H-Index Metrics
-
H-Index12
-
i10 Index15
-
Citation Counts576
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* Total H Index Rankings
Rankings
889,370
World Rank
789
Country Rank
208
University
Ranking Based On Selection:
21
* Total H Index Rankings
Rankings
897,799
World Rank
802
Country Rank
215
University
Ranking Based On Selection:
22
Engineering & Technology / Environmental Science & Engineering
Water Resources | Civil Engineering | Hydrology | Agricultural Engineerin
Water Resources | Civil Engineering | Hydrology | Agricultural Engineerin
H-Index Metrics
-
H-Index12
-
i10 Index16
-
Citation Counts658
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* Total H Index Rankings
Rankings
901,223
World Rank
810
Country Rank
219
University
Ranking Based On Selection:
23
Engineering & Technology / Environmental Science & Engineering
environmental education | gender and environmen
environmental education | gender and environmen
H-Index Metrics
-
H-Index12
-
i10 Index14
-
Citation Counts396
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* Total H Index Rankings
Rankings
967,591
World Rank
915
Country Rank
4
University
Ranking Based On Selection:
24
Engineering & Technology / Environmental Science & Engineering
Waste management | plastic analysis | environmental impacts of wastes | environmental scienc
Waste management | plastic analysis | environmental impacts of wastes | environmental scienc
H-Index Metrics
-
H-Index11
-
i10 Index12
-
Citation Counts461
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* Total H Index Rankings
Rankings
972,832
World Rank
930
Country Rank
7
University
Ranking Based On Selection:
25
Engineering & Technology / Environmental Science & Engineering
Watershed management | Environmental Services | Biodiversity | Climate Chang
Watershed management | Environmental Services | Biodiversity | Climate Chang
H-Index Metrics
-
H-Index11
-
i10 Index11
-
Citation Counts408
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