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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Environmental Sciences 56 3750 3582 155 147 216 8239

Greg J. Evans publications per year

The chart shows the history of publications by Greg J. Evans between 1961 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Greg J. Evans published across 66 years, from 1961 to 2026, averaging 4.5 papers a year. Output peaked at 33 publications in 2018. 14 of the 297 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1961 to 2026. Vertical axis: number of publications, 0 to 33. Peak 33 publications in 2018. 1961: 1 publication 1962: 0 publications 1963: 0 publications 1964: 1 publication 1965: 0 publications 1966: 0 publications 1967: 0 publications 1968: 0 publications 1969: 0 publications 1970: 0 publications 1971: 0 publications 1972: 0 publications 1973: 0 publications 1974: 0 publications 1975: 0 publications 1976: 0 publications 1977: 0 publications 1978: 0 publications 1979: 0 publications 1980: 0 publications 1981: 0 publications 1982: 0 publications 1983: 0 publications 1984: 0 publications 1985: 0 publications 1986: 0 publications 1987: 1 publication 1988: 1 publication 1989: 0 publications 1990: 0 publications 1991: 1 publication 1992: 1 publication 1993: 1 publication 1994: 5 publications 1995: 3 publications 1996: 4 publications 1997: 3 publications 1998: 2 publications 1999: 1 publication 2000: 3 publications 2001: 2 publications 2002: 7 publications 2003: 0 publications 2004: 3 publications 2005: 0 publications 2006: 5 publications 2007: 1 publication 2008: 6 publications 2009: 12 publications 2010: 15 publications 2011: 9 publications 2012: 13 publications 2013: 12 publications 2014: 15 publications 2015: 14 publications 2016: 17 publications 2017: 15 publications 2018: 33 publications 2019: 21 publications 2020: 7 publications 2021: 15 publications 2022: 10 publications 2023: 4 publications 2024: 19 publications 2025: 13 publications 2026: 1 publication
1961 2026

297 publications in total across all disciplines

View publications per year as a table
Greg J. Evans: publications per year, 1961 to 2026
Year Publications
1961 1
1962 0
1963 0
1964 1
1965 0
1966 0
1967 0
1968 0
1969 0
1970 0
1971 0
1972 0
1973 0
1974 0
1975 0
1976 0
1977 0
1978 0
1979 0
1980 0
1981 0
1982 0
1983 0
1984 0
1985 0
1986 0
1987 1
1988 1
1989 0
1990 0
1991 1
1992 1
1993 1
1994 5
1995 3
1996 4
1997 3
1998 2
1999 1
2000 3
2001 2
2002 7
2003 0
2004 3
2005 0
2006 5
2007 1
2008 6
2009 12
2010 15
2011 9
2012 13
2013 12
2014 15
2015 14
2016 17
2017 15
2018 33
2019 21
2020 7
2021 15
2022 10
2023 4
2024 19
2025 13
2026 1
Total 297
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Greg J. Evans publication distribution in Environmental Sciences in 2026

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 Greg J. Evans sits on this spectrum.

No. of scientists
200 400 600
Bar chart with 66 bars. Horizontal axis: publications, 41–50 to 690+. Vertical axis: number of scientists, 0 to 617. Most scientists, 617, have 121–130 publications. The last bar groups every scientist with 690 publications or more. The highlighted bar, 211–220 publications, is where this scientist sits. 41–50 publications: 21 scientists 51–60 publications: 62 scientists 61–70 publications: 133 scientists 71–80 publications: 257 scientists 81–90 publications: 361 scientists 91–100 publications: 440 scientists 101–110 publications: 492 scientists 111–120 publications: 541 scientists 121–130 publications: 617 scientists 131–140 publications: 544 scientists 141–150 publications: 541 scientists 151–160 publications: 539 scientists 161–170 publications: 444 scientists 171–180 publications: 444 scientists 181–190 publications: 400 scientists 191–200 publications: 377 scientists 201–210 publications: 318 scientists 211–220 publications: 282 scientists 221–230 publications: 263 scientists 231–240 publications: 220 scientists 241–250 publications: 217 scientists 251–260 publications: 180 scientists 261–270 publications: 181 scientists 271–280 publications: 155 scientists 281–290 publications: 130 scientists 291–300 publications: 127 scientists 301–310 publications: 130 scientists 311–320 publications: 85 scientists 321–330 publications: 106 scientists 331–340 publications: 80 scientists 341–350 publications: 83 scientists 351–360 publications: 75 scientists 361–370 publications: 69 scientists 371–380 publications: 52 scientists 381–390 publications: 54 scientists 391–400 publications: 56 scientists 401–410 publications: 44 scientists 411–420 publications: 40 scientists 421–430 publications: 36 scientists 431–440 publications: 25 scientists 441–450 publications: 25 scientists 451–460 publications: 32 scientists 461–470 publications: 29 scientists 471–480 publications: 21 scientists 481–490 publications: 26 scientists 491–500 publications: 26 scientists 501–510 publications: 17 scientists 511–520 publications: 19 scientists 521–530 publications: 15 scientists 531–540 publications: 22 scientists 541–550 publications: 12 scientists 551–560 publications: 15 scientists 561–570 publications: 11 scientists 571–580 publications: 19 scientists 581–590 publications: 9 scientists 591–600 publications: 9 scientists 601–610 publications: 7 scientists 611–620 publications: 11 scientists 621–630 publications: 5 scientists 631–640 publications: 5 scientists 641–650 publications: 6 scientists 651–660 publications: 3 scientists 661–670 publications: 3 scientists 671–680 publications: 4 scientists 681–689 publications: 4 scientists 690+ publications: 100 scientists
41–50 publications 690+

This scientist: 216 publications — 69th percentile

69% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 690 publications or more.

View publications distribution as a table
Number of Environmental Sciences scientists by publication count, Research.com 2026 ranking edition. Based on 9,676 ranked scientists.
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
211–220 282 216
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
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
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Greg J. Evans D-index placement in Environmental Sciences in 2026

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 Greg J. Evans sits on this spectrum.

No. of scientists
100 200 300
Bar chart with 97 bars. Horizontal axis: D-Index, 30 to 126+. Vertical axis: number of scientists, 0 to 348. Most scientists, 348, have 45 D-Index. The last bar groups every scientist with 126 D-Index or more. The highlighted bar, 56 D-Index, is where this scientist sits. 30 D-Index: 12 scientists 31 D-Index: 26 scientists 32 D-Index: 51 scientists 33 D-Index: 88 scientists 34 D-Index: 123 scientists 35 D-Index: 163 scientists 36 D-Index: 206 scientists 37 D-Index: 267 scientists 38 D-Index: 265 scientists 39 D-Index: 275 scientists 40 D-Index: 321 scientists 41 D-Index: 343 scientists 42 D-Index: 305 scientists 43 D-Index: 336 scientists 44 D-Index: 330 scientists 45 D-Index: 348 scientists 46 D-Index: 291 scientists 47 D-Index: 275 scientists 48 D-Index: 272 scientists 49 D-Index: 273 scientists 50 D-Index: 263 scientists 51 D-Index: 232 scientists 52 D-Index: 266 scientists 53 D-Index: 217 scientists 54 D-Index: 198 scientists 55 D-Index: 177 scientists 56 D-Index: 202 scientists 57 D-Index: 204 scientists 58 D-Index: 166 scientists 59 D-Index: 177 scientists 60 D-Index: 166 scientists 61 D-Index: 152 scientists 62 D-Index: 143 scientists 63 D-Index: 150 scientists 64 D-Index: 124 scientists 65 D-Index: 119 scientists 66 D-Index: 120 scientists 67 D-Index: 118 scientists 68 D-Index: 82 scientists 69 D-Index: 98 scientists 70 D-Index: 94 scientists 71 D-Index: 105 scientists 72 D-Index: 74 scientists 73 D-Index: 84 scientists 74 D-Index: 70 scientists 75 D-Index: 67 scientists 76 D-Index: 78 scientists 77 D-Index: 60 scientists 78 D-Index: 59 scientists 79 D-Index: 52 scientists 80 D-Index: 47 scientists 81 D-Index: 38 scientists 82 D-Index: 48 scientists 83 D-Index: 42 scientists 84 D-Index: 42 scientists 85 D-Index: 43 scientists 86 D-Index: 29 scientists 87 D-Index: 37 scientists 88 D-Index: 29 scientists 89 D-Index: 30 scientists 90 D-Index: 34 scientists 91 D-Index: 20 scientists 92 D-Index: 22 scientists 93 D-Index: 17 scientists 94 D-Index: 19 scientists 95 D-Index: 24 scientists 96 D-Index: 21 scientists 97 D-Index: 20 scientists 98 D-Index: 24 scientists 99 D-Index: 17 scientists 100 D-Index: 17 scientists 101 D-Index: 21 scientists 102 D-Index: 25 scientists 103 D-Index: 18 scientists 104 D-Index: 26 scientists 105 D-Index: 20 scientists 106 D-Index: 15 scientists 107 D-Index: 10 scientists 108 D-Index: 13 scientists 109 D-Index: 15 scientists 110 D-Index: 12 scientists 111 D-Index: 8 scientists 112 D-Index: 7 scientists 113 D-Index: 9 scientists 114 D-Index: 6 scientists 115 D-Index: 12 scientists 116 D-Index: 7 scientists 117 D-Index: 8 scientists 118 D-Index: 3 scientists 119 D-Index: 5 scientists 120 D-Index: 7 scientists 121 D-Index: 2 scientists 122 D-Index: 4 scientists 123 D-Index: 8 scientists 124 D-Index: 7 scientists 125 D-Index: 9 scientists 126+ D-Index: 92 scientists
30 D-Index 126+

This scientist: 56 D-Index — 63rd percentile

63% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 126 D-Index or more.

View D-Index distribution as a table
Number of Environmental Sciences scientists by D-index, Research.com 2026 ranking edition. Based on 9,676 ranked scientists.
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 56
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
118 3
119 5
120 7
121 2
122 4
123 8
124 7
125 9
126+ 92
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Overview

Greg J. Evans is affiliated with the University of Toronto in Canada, focusing primarily on environmental science. The body of research produced by Evans concentrates on various aspects of air quality, its health impacts, and related environmental and engineering topics.

Their main field of study is Environmental Science, with substantial contributions across several subfields including Health, Toxicology and Mutagenesis; Environmental Engineering; Automotive Engineering; Atmospheric Science; and Global and Planetary Change.

Evans's research spans a range of key topics such as:

  • Air Quality and Health Impacts
  • Air Quality Monitoring and Forecasting
  • Vehicle emissions and performance
  • Climate Change and Health Impacts
  • Atmospheric chemistry and aerosols
  • COVID-19 impact on air quality
  • Engineering Education and Curriculum Development

Their recent papers include:

  • An ecological analysis of long-term exposure to PM2.5 and incidence of COVID-19 in Canadian health regions, 2020, Environmental Research
  • Long-term analysis of PM2.5 from 2004 to 2017 in Toronto: Composition, sources, and oxidative potential, 2020, Environmental Pollution
  • Quantifying metal emissions from vehicular traffic using real world emission factors, 2020, Environmental Pollution
  • Association of Sulfur, Transition Metals, and the Oxidative Potential of Outdoor PM2.5 with Acute Cardiovascular Events: A Case-Crossover Study of Canadian Adults, 2021, Environmental Health Perspectives
  • The state of science on severe air pollution episodes: Quantitative and qualitative analysis, 2021, Environment International

Frequent collaborators include:

  • Cheol-Heon Jeong
  • Jonathan M. Wang
  • Scott Weichenthal
  • Marianne Hatzopoulou
  • Nathan Hilker

Evans publishes regularly in several journals, with multiple contributions to:

  • The Science of The Total Environment
  • Environmental Pollution
  • Atmospheric Pollution Research
  • SSRN Electronic Journal
  • Proceedings of the Canadian Engineering Education Association (CEEA)

Best Publications

  • Overview paper: New insights into aerosol and climate in the Arctic

    Jonathan P. D. Abbatt;W. Richard Leaitch;Amir A. Aliabadi;Allan K. Bertram

  • Temporal and spatial variability of traffic-related PM2.5 sources: Comparison of exhaust and non-exhaust emissions

    Cheol-Heon Jeong;Jon M. Wang;Nathan Hilker;Jerzy Debosz

  • Cytotoxic and proinflammatory effects of ambient and source-related particulate matter (PM) in relation to the production of reactive oxygen species (ROS) and cytokine adsorption by particles

    Umme S. Akhtar;Robert D. McWhinney;Neeraj Rastogi;Jonathan P. D. Abbatt

  • Mass Absorption Cross-Section of Ambient Black Carbon Aerosol in Relation to Chemical Age

    A. Knox;G. J. Evans;J. R. Brook;X. Yao

  • Ambient PM2.5 and risk of emergency room visits for myocardial infarction: impact of regional PM2.5 oxidative potential: a case-crossover study.

    Scott Weichenthal;Eric Lavigne;Greg J. Evans;Krystal Pollitt

  • Ambient measurements and source apportionment of fossil fuel and biomass burning black carbon in Ontario

    R.M. Healy;U. Sofowote;Y. Su;J. Debosz

  • Ultrafine particles and PM2.5 in the air of cities around the world: Are they representative of each other?

    Alma Lorelei de Jesus;Mahmudur Rahman;Mandana Mazaheri;Helen Thompson

  • Inter-Comparison of a Fast Mobility Particle Sizer and a Scanning Mobility Particle Sizer Incorporating an Ultrafine Water-Based Condensation Particle Counter

    Cheol-Heon Jeong;Greg J. Evans

  • Fine Particulate Matter and Emergency Room Visits for Respiratory Illness. Effect Modification by Oxidative Potential

    Scott A Weichenthal;Scott A Weichenthal;Eric Lavigne;Greg J Evans;Krystal J Godri Pollitt

  • Light‐absorbing properties of ambient black carbon and brown carbon from fossil fuel and biomass burning sources

    Robert M. Healy;Robert M. Healy;Jack M. Wang;Cheol-Heon Jeong;Alex K.Y. Lee

  • Quantitative determination of carbonaceous particle mixing state in Paris using single-particle mass spectrometer and aerosol mass spectrometer measurements

    Robert M. Healy;Robert M. Healy;J. Sciare;Laurent Poulain;M. Crippa

  • Simultaneous factor analysis of organic particle and gas mass spectra: AMS and PTR-MS measurements at an urban site

    J. G. Slowik;A. Vlasenko;M. McGuire;G. J. Evans

  • Oxidative burden of fine particulate air pollution and risk of cause-specific mortality in the Canadian Census Health and Environment Cohort (CanCHEC).

    Scott Weichenthal;Daniel L. Crouse;Lauren Pinault;Krystal Godri-Pollitt

  • Sequential Extraction of Metal Contaminated Soils with Radiochemical Assessment of Readsorption Effects

    Mark D. Ho;Greg J. Evans

  • Particle formation and growth at five rural and urban sites

    C.-H. Jeong;G. J. Evans;M. L. McGuire;R. Y.-W. Chang

  • The combined effects of physicochemical properties of size-fractionated ambient particulate matter on in vitro toxicity in human A549 lung epithelial cells

    Umme S. Akhtar;Neeraj Rastogi;Robert D. McWhinney;Bruce Urch

  • Receptor model based identification of PM2.5 sources in Canadian cities

    Cheol–Heon Jeong;Maygan L. McGuire;Dennis Herod;Tom Dann

  • Cloud and fog processing enhanced gas-to-particle partitioning of trimethylamine.

    Peter J. G. Rehbein;Cheol-Heon Jeong;Maygan L. McGuire;Xiaohong Yao

  • Metro Commuter Exposures to Particulate Air Pollution and PM2.5-Associated Elements in Three Canadian Cities: The Urban Transportation Exposure Study

    Keith Van Ryswyk;Angelos T Anastasopolos;Greg J. Evans;Liu Sun

  • Operational Speciation of Cadmium, Copper, Lead and Zinc in the NIST Standard Reference Materials 2710 and 2711 (Montana Soil) by the BCR Sequential Extraction Procedure and Flame Atomic Absorption Spectrometry

    Mark D. Ho;Greg J. Evans

  • The Canadian Urban Environmental Health Research Consortium - a protocol for building a national environmental exposure data platform for integrated analyses of urban form and health.

    Jeffrey R. Brook;Eleanor M. Setton;Evan Seed;Mahdi Shooshtari

  • New insights into aerosol and climate in the Arctic

    Jonathan P. D. Abbatt;W. Richard Leaitch;Amir A. Aliabadi;Alan K. Bertram

Frequent Co-Authors

Xiaohong Yao
Xiaohong Yao Ocean University of China
Jeffrey R. Brook
Jeffrey R. Brook University of Toronto
Eric Lavigne
Eric Lavigne University of Ottawa
John Liggio
John Liggio Environment and Climate Change Canada
Rachel Y.-W. Chang
Rachel Y.-W. Chang Dalhousie University
John C. Wenger
John C. Wenger University College Cork
Randall V. Martin
Randall V. Martin Washington University in St. Louis
Marianne Hatzopoulou
Marianne Hatzopoulou University of Toronto
Ralf M. Staebler
Ralf M. Staebler Environment and Climate Change Canada
Philip K. Hopke
Philip K. Hopke Clarkson University

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