| Discipline name | D-Index | World Ranking | Current World Ranking | National Ranking | Current National Ranking | Publications | Citations |
|---|---|---|---|---|---|---|---|
| Environmental Sciences | 117 | 139 | 130 | 64 | 58 | 581 | 58338 |
The chart shows the history of publications by John D. Spengler between 1971 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. John D. Spengler published across 55 years, from 1971 to 2025, averaging 11.7 papers a year. Output peaked at 30 publications in 2011. 17 of the 645 publications appeared in the last two years.
645 publications in total across all disciplines
| Year | Publications |
|---|---|
| 1971 | 1 |
| 1972 | 2 |
| 1973 | 2 |
| 1974 | 0 |
| 1975 | 0 |
| 1976 | 2 |
| 1977 | 0 |
| 1978 | 1 |
| 1979 | 3 |
| 1980 | 2 |
| 1981 | 9 |
| 1982 | 5 |
| 1983 | 5 |
| 1984 | 10 |
| 1985 | 8 |
| 1986 | 9 |
| 1987 | 10 |
| 1988 | 13 |
| 1989 | 18 |
| 1990 | 18 |
| 1991 | 20 |
| 1992 | 23 |
| 1993 | 25 |
| 1994 | 17 |
| 1995 | 13 |
| 1996 | 14 |
| 1997 | 4 |
| 1998 | 16 |
| 1999 | 7 |
| 2000 | 12 |
| 2001 | 6 |
| 2002 | 16 |
| 2003 | 12 |
| 2004 | 14 |
| 2005 | 16 |
| 2006 | 18 |
| 2007 | 13 |
| 2008 | 15 |
| 2009 | 16 |
| 2010 | 14 |
| 2011 | 30 |
| 2012 | 16 |
| 2013 | 21 |
| 2014 | 22 |
| 2015 | 19 |
| 2016 | 10 |
| 2017 | 5 |
| 2018 | 18 |
| 2019 | 17 |
| 2020 | 21 |
| 2021 | 19 |
| 2022 | 13 |
| 2023 | 8 |
| 2024 | 10 |
| 2025 | 7 |
| Total | 645 |
The chart shows the distribution of publications by all Research.com ranked scientists in the field of Environmental Sciences in 2026. The highlighted bar marks where John D. Spengler sits on this spectrum.
This scientist: 581 publications — 98th percentile
98% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 690 publications or more.
| Publications | Scientists | This scientist |
|---|---|---|
| 41–50 | 21 | |
| 51–60 | 62 | |
| 61–70 | 133 | |
| 71–80 | 257 | |
| 81–90 | 361 | |
| 91–100 | 440 | |
| 101–110 | 492 | |
| 111–120 | 541 | |
| 121–130 | 617 | |
| 131–140 | 544 | |
| 141–150 | 541 | |
| 151–160 | 539 | |
| 161–170 | 444 | |
| 171–180 | 444 | |
| 181–190 | 400 | |
| 191–200 | 377 | |
| 201–210 | 318 | |
| 211–220 | 282 | |
| 221–230 | 263 | |
| 231–240 | 220 | |
| 241–250 | 217 | |
| 251–260 | 180 | |
| 261–270 | 181 | |
| 271–280 | 155 | |
| 281–290 | 130 | |
| 291–300 | 127 | |
| 301–310 | 130 | |
| 311–320 | 85 | |
| 321–330 | 106 | |
| 331–340 | 80 | |
| 341–350 | 83 | |
| 351–360 | 75 | |
| 361–370 | 69 | |
| 371–380 | 52 | |
| 381–390 | 54 | |
| 391–400 | 56 | |
| 401–410 | 44 | |
| 411–420 | 40 | |
| 421–430 | 36 | |
| 431–440 | 25 | |
| 441–450 | 25 | |
| 451–460 | 32 | |
| 461–470 | 29 | |
| 471–480 | 21 | |
| 481–490 | 26 | |
| 491–500 | 26 | |
| 501–510 | 17 | |
| 511–520 | 19 | |
| 521–530 | 15 | |
| 531–540 | 22 | |
| 541–550 | 12 | |
| 551–560 | 15 | |
| 561–570 | 11 | |
| 571–580 | 19 | |
| 581–590 | 9 | 581 |
| 591–600 | 9 | |
| 601–610 | 7 | |
| 611–620 | 11 | |
| 621–630 | 5 | |
| 631–640 | 5 | |
| 641–650 | 6 | |
| 651–660 | 3 | |
| 661–670 | 3 | |
| 671–680 | 4 | |
| 681–689 | 4 | |
| 690+ | 100 |
The chart shows the D-index (discipline H-index) distribution of Environmental Sciences scientists ranked by Research.com in 2026. The highlighted bar marks where John D. Spengler sits on this spectrum.
This scientist: 117 D-Index — 99th percentile
99% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 126 D-Index or more.
| D-Index | Scientists | This scientist |
|---|---|---|
| 30 | 12 | |
| 31 | 26 | |
| 32 | 51 | |
| 33 | 88 | |
| 34 | 123 | |
| 35 | 163 | |
| 36 | 206 | |
| 37 | 267 | |
| 38 | 265 | |
| 39 | 275 | |
| 40 | 321 | |
| 41 | 343 | |
| 42 | 305 | |
| 43 | 336 | |
| 44 | 330 | |
| 45 | 348 | |
| 46 | 291 | |
| 47 | 275 | |
| 48 | 272 | |
| 49 | 273 | |
| 50 | 263 | |
| 51 | 232 | |
| 52 | 266 | |
| 53 | 217 | |
| 54 | 198 | |
| 55 | 177 | |
| 56 | 202 | |
| 57 | 204 | |
| 58 | 166 | |
| 59 | 177 | |
| 60 | 166 | |
| 61 | 152 | |
| 62 | 143 | |
| 63 | 150 | |
| 64 | 124 | |
| 65 | 119 | |
| 66 | 120 | |
| 67 | 118 | |
| 68 | 82 | |
| 69 | 98 | |
| 70 | 94 | |
| 71 | 105 | |
| 72 | 74 | |
| 73 | 84 | |
| 74 | 70 | |
| 75 | 67 | |
| 76 | 78 | |
| 77 | 60 | |
| 78 | 59 | |
| 79 | 52 | |
| 80 | 47 | |
| 81 | 38 | |
| 82 | 48 | |
| 83 | 42 | |
| 84 | 42 | |
| 85 | 43 | |
| 86 | 29 | |
| 87 | 37 | |
| 88 | 29 | |
| 89 | 30 | |
| 90 | 34 | |
| 91 | 20 | |
| 92 | 22 | |
| 93 | 17 | |
| 94 | 19 | |
| 95 | 24 | |
| 96 | 21 | |
| 97 | 20 | |
| 98 | 24 | |
| 99 | 17 | |
| 100 | 17 | |
| 101 | 21 | |
| 102 | 25 | |
| 103 | 18 | |
| 104 | 26 | |
| 105 | 20 | |
| 106 | 15 | |
| 107 | 10 | |
| 108 | 13 | |
| 109 | 15 | |
| 110 | 12 | |
| 111 | 8 | |
| 112 | 7 | |
| 113 | 9 | |
| 114 | 6 | |
| 115 | 12 | |
| 116 | 7 | |
| 117 | 8 | 117 |
| 118 | 3 | |
| 119 | 5 | |
| 120 | 7 | |
| 121 | 2 | |
| 122 | 4 | |
| 123 | 8 | |
| 124 | 7 | |
| 125 | 9 | |
| 126+ | 92 |
John D. Spengler is affiliated with Harvard University in the United States and specializes in Environmental Science, producing a substantial body of work focused on the intersection of environment and public health.
The scientist's research encompasses several primary topics:
Spengler's publications have appeared frequently in notable venues, including:
The scientist's recent papers demonstrate a focus on air pollution, transportation emissions, environmental exposure, and psychological impacts of environmental surroundings. These include:
In terms of collaborative work, Spengler has frequently published with several co-authors, including:
The scientist's subfields of study illustrate a broad range in environmental research, with particular attention to health and toxicology, engineering applications, planetary change, auditory science, and plant science:
D W Dockery;C A Pope rd;X Xu;J D Spengler
Ruthann A Rudel;David E Camann;John D Spengler;Leo R Korn
George D. Thurston;John D. Spengler
Joseph G. Allen;Piers MacNaughton;Usha Satish;Suresh Santanam
Douglas W. Dockery;Frank E. Speizer;Daniel O. Stram;James H. Ware
C. Arden Pope;Douglas W. Dockery;John D. Spengler;Mark E. Raizenne
J. Sundell;H. Levin;W. W. Nazaroff;W. S. Cain
Douglas W. Dockery;Joel Schwartz;John D. Spengler
John D. Spengler;Ken Sexton
Jonathan M. Samet;Marian C. Marbury;John D. Spengler
H Ozkaynak;J Xue;J Spengler;L Wallace
Eric Apeagyei;Michael S. Bank;John D. Spengler
John D. Spengler;John F. McCarthy;Jonathan M. Samet
Bert Brunekreef;Douglas W. Dockery;Frank E. Speizer;James H. Ware
Douglas W. Dockery;Joan Cunningham;Andrew I. Damokosh;Lucas M. Neas
Jie Yin;Shihao Zhu;Piers MacNaughton;Joseph G. Allen
Douglas W. Dockery;John D. Spengler
Jie Yin;Jing Yuan;Nastaran Arfaei;Paul J. Catalano
Virgil A. Marple;Kenneth L. Rubow;William Turner;John D. Spengler
Mark Raizenne;Lucas M. Neas;Andrew I. Damokosh;Douglas W. Dockery
J.H. Ware;B.G. Ferris;D.W. Dockery;J.D. Spengler
C Clayton;Rebecca Perritt;E Pellizzari;Kent Thomas
Alireza Afshari;Hugh Ross Anderson;Aaron Cohen;Eduardo de Oliveira Fernandes
If you think any of the details on this page are incorrect, let us know.
Exploring Environmental Sciences in the USA opens doors to various specialized online degrees that complement this field. For those interested in Earth's physical structure and processes, pursuing a geologist degree online offers practical knowledge and skills for careers in natural resource management and environmental consulting.
Another promising path is Geographic Information Systems (GIS), which plays a critical role in environmental analysis and planning. The best gis undergraduate programs provide essential training in spatial data management, crucial for sustainable development projects and disaster response efforts.
For those aiming to influence environmental policy and public administration, a Master of Public Administration (MPA) enhances leadership abilities. Enrolling in the top online mpa programs can prepare professionals to effectively manage environmental programs and advocate for regulatory change.
Understanding societal dynamics is equally important, and degrees like the best online bachelors in sociology programs explore human behavior and social systems, equipping graduates with insights valuable for community-based environmental initiatives and sustainability education.
University of Otago
MIT
University of Iowa
University of Pennsylvania
Baylor College of Medicine
Harvard University
Bangor University
KU Leuven
KU Leuven
Complutense University of Madrid
Google (United States)
University of Sydney
Griffith University
National Research Council (CNR)
Arizona State University
California Institute of Technology