H-Index
Rankings
North America Scientists H-Index Engineering & Technology / Environmental Science & Engineering Rankings 2025
AD Scientific Index evaluates the academic productivity and efficiency of scientists and institutions based on the H-index, i10 index, and citation counts. In addition to total H-index rankings, you can also explore rankings and analyses by "Scientists Last 6 Years H-index" and by subject.
* Total H Index Rankings
Ranking Based
On Selection :1
biogeochemistry
ecology
environmental science
climate change
ecohydrology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
170
123
0.724
* Total H Index Rankings
Ranking Based
On Selection :2
Microbial fuel cells
microbial electrolysis cells
thermal batteries
desalination
water electrolyzers
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
168
106
0.631
* Total H Index Rankings
Ranking Based
On Selection :3
climate change
ecology
carbon cycle
leaf nitrogen
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
162
100
0.617
* Total H Index Rankings
Ranking Based
On Selection :4
Environmental & soil chemistry
adsorption
nanoparticles
microplastics
food safety
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
152
116
0.763
* Total H Index Rankings
Ranking Based
On Selection :5
air pollution
environmental health
environmental epidemiology
built environment
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
147
123
0.837
* Total H Index Rankings
Ranking Based
On Selection :6
Environmental endocrinology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
142
60
0.423
* Total H Index Rankings
Ranking Based
On Selection :7
environmental chemistry
atmospheric chemistry
environmental engineering
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
131
71
0.542
* Total H Index Rankings
Ranking Based
On Selection :8
Oceanography
Biogeochemistry
Marine Ecosystems
Climate
Carbon Cycle
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
129
86
0.667
* Total H Index Rankings
Ranking Based
On Selection :9
Climate change
atmospheric chemistry
climate policy
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
124
81
0.653
* Total H Index Rankings
Ranking Based
On Selection :10
air pollution
exposure
built environment
health effects
GIS
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
123
90
0.732
* Total H Index Rankings
Ranking Based
On Selection :11
Conservation Biology
stable isotopes
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
123
60
0.488
* Total H Index Rankings
Ranking Based
On Selection :12
conservation science
ecosystem services
environmental science
sustainable agriculture
sustainable development
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
122
82
0.672
* Total H Index Rankings
Ranking Based
On Selection :13
Biogeochemistry
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
121
70
0.579
* Total H Index Rankings
Ranking Based
On Selection :14
Environmental Nanotechnology
Environmental Science & Engineering
Nanotoxicology
Environmental Chemistry
Phytoremediation
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
120
91
0.758
* Total H Index Rankings
Ranking Based
On Selection :15
Environmental Biotechnology
Environmental Engineering
Biogeochemistry
Resource Recovery
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
120
69
0.575
* Total H Index Rankings
Ranking Based
On Selection :16
Environmental Science & Engineering
Contaminant Hydrology
Environmental Nanotechnology
Biochar
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
118
111
0.941
* Total H Index Rankings
Ranking Based
On Selection :17
environmental engineering
environmental science
biogeochemistry
air pollution effects
human disturbance of ecosystems
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
118
56
0.475
* Total H Index Rankings
Ranking Based
On Selection :18
environmental engineering
environmental nanotechnology
water treatment
biodegradation
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
117
85
0.726
* Total H Index Rankings
Ranking Based
On Selection :19
water treatment
environmental nanotechnology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
117
80
0.684
* Total H Index Rankings
Ranking Based
On Selection :20
Environmental Science
Air Pollution
Aerosol
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
117
59
0.504
* Total H Index Rankings
Ranking Based
On Selection :21
Environmental Health
Air pollution
Epidemiology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
116
84
0.724
* Total H Index Rankings
Ranking Based
On Selection :22
Environmental Engineering
Environmental science
Biotechnology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
115
63
0.548
* Total H Index Rankings
Ranking Based
On Selection :23
Environment
Pollution
Cardiometabolic
Planetary Health
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
113
79
0.699
* Total H Index Rankings
Ranking Based
On Selection :24
Microbiology
Ecology
Evolution
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
112
58
0.518
* Total H Index Rankings
Ranking Based
On Selection :25
Limnology
Paleolimnology
Limnogeology
Arctic
Diatoms
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
111
60
0.541
Robert B Jackson
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
170
123
0.724
biogeochemistry
ecology
environmental science
climate change
ecohydrology
Bruce E Logan
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
168
106
0.631
Microbial fuel cells
microbial electrolysis cells
thermal batteries
desalination
water electrolyzers
Christopher B Field
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
162
100
0.617
climate change
ecology
carbon cycle
leaf nitrogen
Baoshan Xing
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
152
116
0.763
Environmental & soil chemistry
adsorption
nanoparticles
microplastics
food safety
Michael Brauer
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
147
123
0.837
air pollution
environmental health
environmental epidemiology
built environment
John C Wingfield
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
142
60
0.423
Environmental endocrinology
Michael R Hoffmann
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
131
71
0.542
environmental chemistry
atmospheric chemistry
environmental engineering
Scott Doney
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
129
86
0.667
Oceanography
Biogeochemistry
Marine Ecosystems
Climate
Carbon Cycle
Drew Shindell
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
124
81
0.653
Climate change
atmospheric chemistry
climate policy
Michael Jerrett
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
123
90
0.732
air pollution
exposure
built environment
health effects
GIS
Keith A Hobson
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
123
60
0.488
Conservation Biology
stable isotopes
Gretchen C Daily
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
122
82
0.672
conservation science
ecosystem services
environmental science
sustainable agriculture
sustainable development
Eric A Davidson
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
121
70
0.579
Jorge Gardea Torresdey
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
120
91
0.758
Environmental Nanotechnology
Environmental Science & Engineering
Nanotoxicology
Environmental Chemistry
Phytoremediation
Bruce E Rittmann
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
120
69
0.575
Environmental Biotechnology
Environmental Engineering
Biogeochemistry
Resource Recovery
Bin Gao
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
118
111
0.941
Environmental Science & Engineering
Contaminant Hydrology
Environmental Nanotechnology
Biochar
Charles T Driscoll
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
118
56
0.475
environmental engineering
environmental science
biogeochemistry
air pollution effects
human disturbance of ecosystems
Pedro Jj Alvarez
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
117
85
0.726
environmental engineering
environmental nanotechnology
water treatment
biodegradation
Paul Westerhoff
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
117
80
0.684
water treatment
environmental nanotechnology
John G Watson
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
117
59
0.504
Environmental Science
Air Pollution
Aerosol
Antonella Zanobetti
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
116
84
0.724
Environmental Health
Air pollution
Epidemiology
Joo Hwa Tay
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
115
63
0.548
Environmental Engineering
Environmental science
Biotechnology
Sanjay Rajagopalan
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
113
79
0.699
Environment
Pollution
Cardiometabolic
Planetary Health
David A Stahl
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
112
58
0.518
Microbiology
Ecology
Evolution
John Smol
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
111
60
0.541
Limnology
Paleolimnology
Limnogeology
Arctic
Diatoms