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World 19,632 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
496
World Rank
166
Country Rank
3
University
Ranking Based On Selection:
1
Engineering & Technology / Environmental Science & Engineering
environmental engineering | membrane separations | environmental nanotechnology | desalination | wate
environmental engineering | membrane separations | environmental nanotechnology | desalination | wate
H-Index Metrics
-
Total219
-
Last 5 Years144
-
Last 5 Years / Total0.658
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* Total H Index Rankings
Rankings
893
World Rank
60
Country Rank
1
University
Ranking Based On Selection:
2
Engineering & Technology / Environmental Science & Engineering
Global change | soils | carbon | climate change | mitigatio
Global change | soils | carbon | climate change | mitigatio
H-Index Metrics
-
Total189
-
Last 5 Years142
-
Last 5 Years / Total0.751
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* Total H Index Rankings
Rankings
974
World Rank
74
Country Rank
1
University
Ranking Based On Selection:
3
Engineering & Technology / Environmental Science & Engineering
Polymer nanocomposites | Conducting Polymers | Sustainability | Environmental Engineering | Electronic
Polymer nanocomposites | Conducting Polymers | Sustainability | Environmental Engineering | Electronic
H-Index Metrics
-
Total184
-
Last 5 Years148
-
Last 5 Years / Total0.804
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* Total H Index Rankings
Rankings
1,039
World Rank
389
Country Rank
13
University
Ranking Based On Selection:
4
Engineering & Technology / Environmental Science & Engineering
biogeochemistry | ecology | environmental science | climate change | ecohydrolog
biogeochemistry | ecology | environmental science | climate change | ecohydrolog
H-Index Metrics
-
Total181
-
Last 5 Years133
-
Last 5 Years / Total0.735
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* Total H Index Rankings
Rankings
1,125
World Rank
26
Country Rank
1
University
Ranking Based On Selection:
5
Engineering & Technology / Environmental Science & Engineering
Environmental Soil Science & Biogeochemistr
Environmental Soil Science & Biogeochemistr
H-Index Metrics
-
Total177
-
Last 5 Years134
-
Last 5 Years / Total0.757
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* Total H Index Rankings
Rankings
1,173
World Rank
91
Country Rank
1
University
Ranking Based On Selection:
6
Engineering & Technology / Environmental Science & Engineering
Climate | Climate Change | Paleoclimat
Climate | Climate Change | Paleoclimat
H-Index Metrics
-
Total175
-
Last 5 Years90
-
Last 5 Years / Total0.514
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* Total H Index Rankings
Rankings
1,196
World Rank
464
Country Rank
1
University
Ranking Based On Selection:
7
Engineering & Technology / Environmental Science & Engineering
Microbial fuel cells | microbial electrolysis cells | thermal batteries | desalination | water electrolyzer
Microbial fuel cells | microbial electrolysis cells | thermal batteries | desalination | water electrolyzer
H-Index Metrics
-
Total174
-
Last 5 Years101
-
Last 5 Years / Total0.580
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* Total H Index Rankings
Rankings
1,262
World Rank
24
Country Rank
1
University
Ranking Based On Selection:
8
Engineering & Technology / Environmental Science & Engineering
integrated assessment | climate change | environmental science | global change | sustainable developmen
integrated assessment | climate change | environmental science | global change | sustainable developmen
H-Index Metrics
-
Total171
-
Last 5 Years134
-
Last 5 Years / Total0.784
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* Total H Index Rankings
Rankings
1,303
World Rank
511
Country Rank
20
University
Ranking Based On Selection:
9
Engineering & Technology / Environmental Science & Engineering
climate change | ecology | carbon cycle | leaf nitroge
climate change | ecology | carbon cycle | leaf nitroge
H-Index Metrics
-
Total170
-
Last 5 Years103
-
Last 5 Years / Total0.606
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* Total H Index Rankings
Rankings
1,447
World Rank
582
Country Rank
6
University
Ranking Based On Selection:
10
Engineering & Technology / Environmental Science & Engineering
Environmental & soil chemistry | adsorption | nanoparticles | microplastics | food safet
Environmental & soil chemistry | adsorption | nanoparticles | microplastics | food safet
H-Index Metrics
-
Total165
-
Last 5 Years124
-
Last 5 Years / Total0.752
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* Total H Index Rankings
Rankings
1,667
World Rank
54
Country Rank
6
University
Ranking Based On Selection:
11
Engineering & Technology / Environmental Science & Engineering
air pollution | environmental health | environmental epidemiology | built environmen
air pollution | environmental health | environmental epidemiology | built environmen
H-Index Metrics
-
Total159
-
Last 5 Years130
-
Last 5 Years / Total0.818
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* Total H Index Rankings
Rankings
1,735
World Rank
141
Country Rank
1
University
Ranking Based On Selection:
12
Engineering & Technology / Environmental Science & Engineering
Environmental behaviour and effects of organic contaminants | passive sampling technique
Environmental behaviour and effects of organic contaminants | passive sampling technique
H-Index Metrics
-
Total158
-
Last 5 Years82
-
Last 5 Years / Total0.519
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* Total H Index Rankings
Rankings
2,038
World Rank
174
Country Rank
2
University
Ranking Based On Selection:
13
H-Index Metrics
-
Total152
-
Last 5 Years73
-
Last 5 Years / Total0.480
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* Total H Index Rankings
Rankings
2,118
World Rank
39
Country Rank
8
University
Ranking Based On Selection:
14
Engineering & Technology / Environmental Science & Engineering
climate change | land-climate dynamics | climate extreme
climate change | land-climate dynamics | climate extreme
H-Index Metrics
-
Total150
-
Last 5 Years127
-
Last 5 Years / Total0.847
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* Total H Index Rankings
Rankings
2,135
World Rank
64
Country Rank
1
University
Ranking Based On Selection:
15
Engineering & Technology / Environmental Science & Engineering
environmental science | pollution | risk and remediatio
environmental science | pollution | risk and remediatio
H-Index Metrics
-
Total150
-
Last 5 Years110
-
Last 5 Years / Total0.733
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* Total H Index Rankings
Rankings
2,137
World Rank
44
Country Rank
6
University
Ranking Based On Selection:
16
Engineering & Technology / Environmental Science & Engineering
land use change | global environmental change | geography | land use | land cove
land use change | global environmental change | geography | land use | land cove
H-Index Metrics
-
Total150
-
Last 5 Years109
-
Last 5 Years / Total0.727
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* Total H Index Rankings
Rankings
2,184
World Rank
6
Country Rank
1
University
Ranking Based On Selection:
17
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
2,185
World Rank
70
Country Rank
2
University
Ranking Based On Selection:
18
Engineering & Technology / Environmental Science & Engineering
Water Treatment Processes | Environmental Nanotechnology | Advanced Oxidation | Membrane Technolog
Water Treatment Processes | Environmental Nanotechnology | Advanced Oxidation | Membrane Technolog
H-Index Metrics
-
Total149
-
Last 5 Years123
-
Last 5 Years / Total0.826
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* Total H Index Rankings
Rankings
2,504
World Rank
1,067
Country Rank
8
University
Ranking Based On Selection:
19
H-Index Metrics
-
Total145
-
Last 5 Years60
-
Last 5 Years / Total0.414
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* Total H Index Rankings
Rankings
2,850
World Rank
92
Country Rank
3
University
Ranking Based On Selection:
20
H-Index Metrics
-
Total140
-
Last 5 Years113
-
Last 5 Years / Total0.807
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* Total H Index Rankings
Rankings
2,878
World Rank
4
Country Rank
3
University
Ranking Based On Selection:
21
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
2,891
World Rank
94
Country Rank
11
University
Ranking Based On Selection:
22
Engineering & Technology / Environmental Science & Engineering
Climate change | Tropical marine biology | Coral reef
Climate change | Tropical marine biology | Coral reef
H-Index Metrics
-
Total140
-
Last 5 Years90
-
Last 5 Years / Total0.643
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* Total H Index Rankings
Rankings
2,969
World Rank
255
Country Rank
1
University
Ranking Based On Selection:
23
H-Index Metrics
-
Total139
-
Last 5 Years94
-
Last 5 Years / Total0.676
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* Total H Index Rankings
Rankings
3,253
World Rank
1,421
Country Rank
16
University
Ranking Based On Selection:
24
Engineering & Technology / Environmental Science & Engineering
environmental chemistry | atmospheric chemistry | environmental engineerin
environmental chemistry | atmospheric chemistry | environmental engineerin
H-Index Metrics
-
Total136
-
Last 5 Years71
-
Last 5 Years / Total0.522
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* Total H Index Rankings
Rankings
3,335
World Rank
1,453
Country Rank
7
University
Ranking Based On Selection:
25
Engineering & Technology / Environmental Science & Engineering
Oceanography | Biogeochemistry | Marine Ecosystems | Climate | Carbon Cycl
Oceanography | Biogeochemistry | Marine Ecosystems | Climate | Carbon Cycl
H-Index Metrics
-
Total135
-
Last 5 Years87
-
Last 5 Years / Total0.644
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