US Environmental Protection Agency is a prestigious institution university established in 1970 in United States. It is represented by 372 scientists in the AD Scientific Index. The university’s scientists are particularly concentrated in Natural Sciences (117 scientists), Engineering & Technology (97 scientists), and Social Sciences and Humanities (19 scientists).

* Total H Index Rankings
Ranking Based On Selection: 26
J Renee Brooks
forest ecology
stable isotopes
isotope hydrology
plant ecophysiology
ecohydrology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
51
30
0.588
* Total H Index Rankings
Ranking Based On Selection: 27
John L Stoddard
freshwater ecology
biogeochemistry
acidification
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
51
27
0.529
* Total H Index Rankings
Ranking Based On Selection: 28
M Ian Gilmour
air pollution immunology host defence
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
50
24
0.480
* Total H Index Rankings
Ranking Based On Selection: 29
Rory Conolly
Mechanisms of dose-response
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
49
19
0.388
* Total H Index Rankings
Ranking Based On Selection: 30
John M Rogers
Developmental and Reproductive Toxicology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
48
20
0.417
* Total H Index Rankings
Ranking Based On Selection: 31
Orin Shanks
Applied & Environmental Molecular Biology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
47
31
0.660
* Total H Index Rankings
Ranking Based On Selection: 32
Timothy J Shafer
Neurotoxicology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
47
30
0.638
* Total H Index Rankings
Ranking Based On Selection: 33
Mark G Johnson
soils
roots
biochar
contaminated soil remediation
nanomaterials
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
47
27
0.574
* Total H Index Rankings
Ranking Based On Selection: 34
Havala Ot Pye
Aerosol physics and chemistry
Air quality
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
46
41
0.891
* Total H Index Rankings
Ranking Based On Selection: 36
Chunming Su
Soil and groundwater remediation
environmental nanotechnology
biochar
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
46
30
0.652
* Total H Index Rankings
Ranking Based On Selection: 37
Richard Wilkin
environmental geochemistry
contaminant transport
groundwater
remediation
arsenic
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
44
30
0.682
* Total H Index Rankings
Ranking Based On Selection: 39
Hodon Ryu
Health Realtaed Water Microbiology and Water Treatment
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
43
28
0.651
* Total H Index Rankings
Ranking Based On Selection: 40
Jana Compton
Nitrogen cycling
Phosphorus cycling
watersheds
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
43
28
0.651
* Total H Index Rankings
Ranking Based On Selection: 41
Scott G Leibowitz
landscape ecology
aquatic ecology
watershed modeling
spatial analysis
hydrological connectivity
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
42
31
0.738
* Total H Index Rankings
Ranking Based On Selection: 43
Michael Schock
drinking water corrosion
aquatic chemistry of inorganics
lead
copper
geochemical equilibria
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
42
27
0.643
* Total H Index Rankings
Ranking Based On Selection: 44
Matthew S Landis
regulatory air methods
wildland fire emissions
air quality sensors
source apportionment
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
42
24
0.571
* Total H Index Rankings
Ranking Based On Selection: 45
Charles R Lane
Wetland Ecology
Systems Ecology
Landscape Ecology
Watershed Management
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
41
34
0.829
* Total H Index Rankings
Ranking Based On Selection: 46
Alfred P Dufour
Public health microbiology
water microbiology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
41
25
0.610
* Total H Index Rankings
Ranking Based On Selection: 47
Endalkachew Sahle-Demessie
Nanotechnolgy
water pollution
green chemistry
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
41
24
0.585
* Total H Index Rankings
Ranking Based On Selection: 49
Michael F Hughes
toxicokinetics
toxicology
metals
in vitro
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
41
22
0.537
* Total H Index Rankings
Ranking Based On Selection: 50
William Linak
fossil & biofuel combustion
air pollution
flame generated fine particles
oxy-coal combustion
PFAS incineration
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
41
20
0.488
* Total H Index Rankings
Rankings
Ranking Based On Selection: 26
J Renee Brooks
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
51
30
0.588
forest ecology
stable isotopes
isotope hydrology
plant ecophysiology
ecohydrology
* Total H Index Rankings
Rankings
Ranking Based On Selection: 27
John L Stoddard
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
51
27
0.529
freshwater ecology
biogeochemistry
acidification
* Total H Index Rankings
Rankings
Ranking Based On Selection: 28
M Ian Gilmour
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
50
24
0.480
* Total H Index Rankings
Rankings
Ranking Based On Selection: 29
Rory Conolly
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
49
19
0.388
Mechanisms of dose-response
* Total H Index Rankings
Rankings
Ranking Based On Selection: 30
John M Rogers
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
48
20
0.417
Developmental and Reproductive Toxicology
* Total H Index Rankings
Rankings
Ranking Based On Selection: 31
Orin Shanks
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
47
31
0.660
* Total H Index Rankings
Rankings
Ranking Based On Selection: 32
Timothy J Shafer
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
47
30
0.638
* Total H Index Rankings
Rankings
Ranking Based On Selection: 33
Mark G Johnson
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
47
27
0.574
soils
roots
biochar
contaminated soil remediation
nanomaterials
* Total H Index Rankings
Rankings
Ranking Based On Selection: 34
Havala Ot Pye
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
46
41
0.891
* Total H Index Rankings
Rankings
Ranking Based On Selection: 35
George Pouliot
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
46
34
0.739
* Total H Index Rankings
Rankings
Ranking Based On Selection: 36
Chunming Su
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
46
30
0.652
Soil and groundwater remediation
environmental nanotechnology
biochar
* Total H Index Rankings
Rankings
Ranking Based On Selection: 37
Richard Wilkin
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
44
30
0.682
environmental geochemistry
contaminant transport
groundwater
remediation
arsenic
* Total H Index Rankings
Rankings
Ranking Based On Selection: 38
Thabet Tolaymat
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
44
27
0.614
* Total H Index Rankings
Rankings
Ranking Based On Selection: 39
Hodon Ryu
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
43
28
0.651
Health Realtaed Water Microbiology and Water Treatment
* Total H Index Rankings
Rankings
Ranking Based On Selection: 40
Jana Compton
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
43
28
0.651
Nitrogen cycling
Phosphorus cycling
watersheds
* Total H Index Rankings
Rankings
Ranking Based On Selection: 41
Scott G Leibowitz
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
42
31
0.738
landscape ecology
aquatic ecology
watershed modeling
spatial analysis
hydrological connectivity
* Total H Index Rankings
Rankings
Ranking Based On Selection: 42
Krista Yorita Christensen
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
42
30
0.714
* Total H Index Rankings
Rankings
Ranking Based On Selection: 43
Michael Schock
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
42
27
0.643
drinking water corrosion
aquatic chemistry of inorganics
lead
copper
geochemical equilibria
* Total H Index Rankings
Rankings
Ranking Based On Selection: 44
Matthew S Landis
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
42
24
0.571
regulatory air methods
wildland fire emissions
air quality sensors
source apportionment
* Total H Index Rankings
Rankings
Ranking Based On Selection: 45
Charles R Lane
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
41
34
0.829
Wetland Ecology
Systems Ecology
Landscape Ecology
Watershed Management
* Total H Index Rankings
Rankings
Ranking Based On Selection: 46
Alfred P Dufour
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
41
25
0.610
* Total H Index Rankings
Rankings
Ranking Based On Selection: 47
Endalkachew Sahle-Demessie
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
41
24
0.585
Nanotechnolgy
water pollution
green chemistry
* Total H Index Rankings
Rankings
Ranking Based On Selection: 48
John T Walker
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
41
24
0.585
* Total H Index Rankings
Rankings
Ranking Based On Selection: 49
Michael F Hughes
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
41
22
0.537
toxicokinetics
toxicology
metals
in vitro
* Total H Index Rankings
Rankings
Ranking Based On Selection: 50
William Linak
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
41
20
0.488
fossil & biofuel combustion
air pollution
flame generated fine particles
oxy-coal combustion
PFAS incineration