World's Best Scientists 2026 revealed!
Heather L. MacLean

Heather L. MacLean

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Engineering and Technology 55 3006 2876 128 123 160 10928
Environmental Sciences 56 3650 3485 149 141 167 11270

Heather L. MacLean publications per year

The chart shows the history of publications by Heather L. MacLean between 1990 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Heather L. MacLean published across 36 years, from 1990 to 2025, averaging 5.9 papers a year. Output peaked at 15 publications in 2021. 22 of the 212 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1990 to 2025. Vertical axis: number of publications, 0 to 15. Peak 15 publications in 2021. 1990: 2 publications 1991: 0 publications 1992: 0 publications 1993: 1 publication 1994: 0 publications 1995: 0 publications 1996: 1 publication 1997: 0 publications 1998: 2 publications 1999: 0 publications 2000: 8 publications 2001: 7 publications 2002: 3 publications 2003: 5 publications 2004: 8 publications 2005: 12 publications 2006: 7 publications 2007: 6 publications 2008: 1 publication 2009: 9 publications 2010: 6 publications 2011: 9 publications 2012: 7 publications 2013: 9 publications 2014: 6 publications 2015: 7 publications 2016: 8 publications 2017: 10 publications 2018: 5 publications 2019: 6 publications 2020: 13 publications 2021: 15 publications 2022: 7 publications 2023: 10 publications 2024: 13 publications 2025: 9 publications
1990 2025

212 publications in total across all disciplines

View publications per year as a table
Heather L. MacLean: publications per year, 1990 to 2025
Year Publications
1990 2
1991 0
1992 0
1993 1
1994 0
1995 0
1996 1
1997 0
1998 2
1999 0
2000 8
2001 7
2002 3
2003 5
2004 8
2005 12
2006 7
2007 6
2008 1
2009 9
2010 6
2011 9
2012 7
2013 9
2014 6
2015 7
2016 8
2017 10
2018 5
2019 6
2020 13
2021 15
2022 7
2023 10
2024 13
2025 9
Total 212
Download as CSV

Heather L. MacLean publication distribution in Engineering and Technology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Engineering and Technology in 2026. The highlighted bar marks where Heather L. MacLean sits on this spectrum.

No. of scientists
100 200 300 400
Bar chart with 78 bars. Horizontal axis: publications, 38–47 to 804+. Vertical axis: number of scientists, 0 to 457. Most scientists, 457, have 148–157 publications. The last bar groups every scientist with 804 publications or more. The highlighted bar, 158–167 publications, is where this scientist sits. 38–47 publications: 20 scientists 48–57 publications: 35 scientists 58–67 publications: 96 scientists 68–77 publications: 135 scientists 78–87 publications: 190 scientists 88–97 publications: 259 scientists 98–107 publications: 283 scientists 108–117 publications: 369 scientists 118–127 publications: 341 scientists 128–137 publications: 386 scientists 138–147 publications: 372 scientists 148–157 publications: 457 scientists 158–167 publications: 415 scientists 168–177 publications: 407 scientists 178–187 publications: 421 scientists 188–197 publications: 378 scientists 198–207 publications: 403 scientists 208–217 publications: 317 scientists 218–227 publications: 346 scientists 228–237 publications: 321 scientists 238–247 publications: 260 scientists 248–257 publications: 280 scientists 258–267 publications: 240 scientists 268–277 publications: 214 scientists 278–287 publications: 242 scientists 288–297 publications: 203 scientists 298–307 publications: 166 scientists 308–317 publications: 154 scientists 318–327 publications: 175 scientists 328–337 publications: 159 scientists 338–347 publications: 99 scientists 348–357 publications: 131 scientists 358–367 publications: 106 scientists 368–377 publications: 118 scientists 378–387 publications: 97 scientists 388–397 publications: 108 scientists 398–407 publications: 82 scientists 408–417 publications: 71 scientists 418–427 publications: 64 scientists 428–437 publications: 55 scientists 438–447 publications: 54 scientists 448–457 publications: 60 scientists 458–467 publications: 47 scientists 468–477 publications: 40 scientists 478–487 publications: 30 scientists 488–497 publications: 29 scientists 498–507 publications: 38 scientists 508–517 publications: 40 scientists 518–527 publications: 32 scientists 528–537 publications: 23 scientists 538–547 publications: 28 scientists 548–557 publications: 23 scientists 558–567 publications: 19 scientists 568–577 publications: 16 scientists 578–587 publications: 17 scientists 588–597 publications: 18 scientists 598–607 publications: 22 scientists 608–617 publications: 15 scientists 618–627 publications: 9 scientists 628–637 publications: 11 scientists 638–647 publications: 21 scientists 648–657 publications: 12 scientists 658–667 publications: 9 scientists 668–677 publications: 11 scientists 678–687 publications: 9 scientists 688–697 publications: 6 scientists 698–707 publications: 14 scientists 708–717 publications: 7 scientists 718–727 publications: 8 scientists 728–737 publications: 10 scientists 738–747 publications: 9 scientists 748–757 publications: 5 scientists 758–767 publications: 5 scientists 768–777 publications: 11 scientists 778–787 publications: 7 scientists 788–797 publications: 2 scientists 798–803 publications: 4 scientists 804+ publications: 100 scientists
38–47 publications 804+

This scientist: 160 publications — 31st percentile

31% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 804 publications or more.

View publications distribution as a table
Number of Engineering and Technology scientists by publication count, Research.com 2026 ranking edition. Based on 9,796 ranked scientists.
Publications Scientists This scientist
38–47 20
48–57 35
58–67 96
68–77 135
78–87 190
88–97 259
98–107 283
108–117 369
118–127 341
128–137 386
138–147 372
148–157 457
158–167 415 160
168–177 407
178–187 421
188–197 378
198–207 403
208–217 317
218–227 346
228–237 321
238–247 260
248–257 280
258–267 240
268–277 214
278–287 242
288–297 203
298–307 166
308–317 154
318–327 175
328–337 159
338–347 99
348–357 131
358–367 106
368–377 118
378–387 97
388–397 108
398–407 82
408–417 71
418–427 64
428–437 55
438–447 54
448–457 60
458–467 47
468–477 40
478–487 30
488–497 29
498–507 38
508–517 40
518–527 32
528–537 23
538–547 28
548–557 23
558–567 19
568–577 16
578–587 17
588–597 18
598–607 22
608–617 15
618–627 9
628–637 11
638–647 21
648–657 12
658–667 9
668–677 11
678–687 9
688–697 6
698–707 14
708–717 7
718–727 8
728–737 10
738–747 9
748–757 5
758–767 5
768–777 11
778–787 7
788–797 2
798–803 4
804+ 100
Download as CSV

Heather L. MacLean D-index placement in Engineering and Technology in 2026

The chart shows the D-index (discipline H-index) distribution of Engineering and Technology scientists ranked by Research.com in 2026. The highlighted bar marks where Heather L. MacLean sits on this spectrum.

No. of scientists
100 200 300 400
Bar chart with 78 bars. Horizontal axis: D-Index, 30 to 107+. Vertical axis: number of scientists, 0 to 426. Most scientists, 426, have 42 D-Index. The last bar groups every scientist with 107 D-Index or more. The highlighted bar, 55 D-Index, is where this scientist sits. 30 D-Index: 59 scientists 31 D-Index: 114 scientists 32 D-Index: 129 scientists 33 D-Index: 189 scientists 34 D-Index: 200 scientists 35 D-Index: 262 scientists 36 D-Index: 311 scientists 37 D-Index: 312 scientists 38 D-Index: 350 scientists 39 D-Index: 385 scientists 40 D-Index: 348 scientists 41 D-Index: 362 scientists 42 D-Index: 426 scientists 43 D-Index: 380 scientists 44 D-Index: 310 scientists 45 D-Index: 341 scientists 46 D-Index: 301 scientists 47 D-Index: 306 scientists 48 D-Index: 271 scientists 49 D-Index: 246 scientists 50 D-Index: 210 scientists 51 D-Index: 253 scientists 52 D-Index: 213 scientists 53 D-Index: 221 scientists 54 D-Index: 195 scientists 55 D-Index: 186 scientists 56 D-Index: 170 scientists 57 D-Index: 167 scientists 58 D-Index: 166 scientists 59 D-Index: 144 scientists 60 D-Index: 152 scientists 61 D-Index: 141 scientists 62 D-Index: 138 scientists 63 D-Index: 131 scientists 64 D-Index: 118 scientists 65 D-Index: 114 scientists 66 D-Index: 119 scientists 67 D-Index: 95 scientists 68 D-Index: 87 scientists 69 D-Index: 77 scientists 70 D-Index: 89 scientists 71 D-Index: 69 scientists 72 D-Index: 54 scientists 73 D-Index: 46 scientists 74 D-Index: 55 scientists 75 D-Index: 54 scientists 76 D-Index: 49 scientists 77 D-Index: 53 scientists 78 D-Index: 46 scientists 79 D-Index: 28 scientists 80 D-Index: 39 scientists 81 D-Index: 36 scientists 82 D-Index: 24 scientists 83 D-Index: 26 scientists 84 D-Index: 36 scientists 85 D-Index: 18 scientists 86 D-Index: 25 scientists 87 D-Index: 19 scientists 88 D-Index: 26 scientists 89 D-Index: 27 scientists 90 D-Index: 23 scientists 91 D-Index: 15 scientists 92 D-Index: 12 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 13 scientists 97 D-Index: 13 scientists 98 D-Index: 9 scientists 99 D-Index: 7 scientists 100 D-Index: 7 scientists 101 D-Index: 8 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 9 scientists 105 D-Index: 6 scientists 106 D-Index: 9 scientists 107+ D-Index: 99 scientists
30 D-Index 107+

This scientist: 55 D-Index — 70th percentile

70% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 107 D-Index or more.

View D-Index distribution as a table
Number of Engineering and Technology scientists by D-index, Research.com 2026 ranking edition. Based on 9,796 ranked scientists.
D-Index Scientists This scientist
30 59
31 114
32 129
33 189
34 200
35 262
36 311
37 312
38 350
39 385
40 348
41 362
42 426
43 380
44 310
45 341
46 301
47 306
48 271
49 246
50 210
51 253
52 213
53 221
54 195
55 186 55
56 170
57 167
58 166
59 144
60 152
61 141
62 138
63 131
64 118
65 114
66 119
67 95
68 87
69 77
70 89
71 69
72 54
73 46
74 55
75 54
76 49
77 53
78 46
79 28
80 39
81 36
82 24
83 26
84 36
85 18
86 25
87 19
88 26
89 27
90 23
91 15
92 12
93 9
94 15
95 10
96 13
97 13
98 9
99 7
100 7
101 8
102 7
103 7
104 9
105 6
106 9
107+ 99
Download as CSV

Overview

Heather L. MacLean is affiliated with the University of Toronto in Canada. Their research spans multiple areas within engineering and environmental science, with a focus on sustainability and technological innovations related to energy and transportation.

The main fields of study in Heather L. MacLean's work include:

  • Engineering
  • Environmental Science

They contribute extensively to subfields such as:

  • Automotive Engineering
  • Electrical and Electronic Engineering
  • Renewable Energy, Sustainability and the Environment
  • Building and Construction
  • Mechanical Engineering

The scientist explores a range of topics, including:

  • Electric Vehicles and Infrastructure
  • Advanced Battery Technologies Research
  • Energy, Environment, and Transportation Policies
  • Environmental Impact and Sustainability
  • CO2 Reduction Techniques and Catalysts
  • Sustainable Building Design and Assessment
  • Carbon Dioxide Capture Technologies

Heather L. MacLean's recent papers cover diverse aspects of environmental impacts and energy systems:

  • "Electrification of light-duty vehicle fleet alone will not meet mitigation targets" (2020) in Nature Climate Change
  • "Life cycle greenhouse gas emissions of concrete containing supplementary cementitious materials: cut-off vs. substitution" (2020) in Journal of Cleaner Production
  • "Downstream of the CO2 Electrolyzer: Assessing the Energy Intensity of Product Separation" (2021) in ACS Energy Letters
  • "Estimating the environmental impacts of global lithium-ion battery supply chain: A temporal, geographical, and technological perspective" (2023) in PNAS Nexus
  • "Life cycle GHG assessment of a building restoration: Case study of a heritage industrial building in Toronto, Canada" (2020) in Journal of Cleaner Production

Frequent co-authors involved in collaborative research with Heather L. MacLean include:

  • I. Daniel Posen
  • Alexandre Milovanoff
  • Joule Bergerson
  • Amir F.N. Abdul-Manan
  • Jon McKechnie

Their publications are often found in established scientific venues such as:

  • Journal of Cleaner Production
  • Zenodo (CERN European Organization for Nuclear Research)
  • SSRN Electronic Journal
  • International Journal of Hydrogen Energy
  • Resources Conservation and Recycling

Best Publications

  • Comparing High and Low Residential Density: Life-Cycle Analysis of Energy Use and Greenhouse Gas Emissions

    Jonathan Norman;Heather L. MacLean;Christopher A. Kennedy

  • Evaluating automobile fuel/propulsion system technologies

    Heather L. MacLean;Lester B. Lave

  • Forest bioenergy or forest carbon? Assessing trade-offs in greenhouse gas mitigation with wood-based fuels.

    Jon McKechnie;Steve Colombo;Jiaxin Chen;Warren Mabee

  • Techno-economic analysis and life cycle assessment of hydrogen production from natural gas using current and emerging technologies

    Yaser Khojasteh Salkuyeh;Bradley A. Saville;Heather L. MacLean

  • Life Cycle Assessment of Switchgrass- and Corn Stover-Derived Ethanol-Fueled Automobiles

    Sabrina Spatari;Yimin Zhang;Heather L. Maclean

  • The Four Pillars of Sustainable Urban Transportation

    Christopher Kennedy;Eric Miller;Amer Shalaby;Heather Maclean

  • Assessment of moisture content measurement methods of dried food products in small-scale operations in developing countries: A review

    Marina Vera Zambrano;Baishali Dutta;Donald G. Mercer;Heather L. MacLean

  • Life cycle evaluation of emerging lignocellulosic ethanol conversion technologies.

    Sabrina Spatari;David M. Bagley;Heather L. MacLean

  • Techno-economic analysis and life cycle assessment of hydrogen production from different biomass gasification processes

    Yaser Khojasteh Salkuyeh;Bradley A. Saville;Heather L. MacLean

  • Understanding the Canadian oil sands industry's greenhouse gas emissions

    Alex D Charpentier;Joule A Bergerson;Heather L MacLean

  • Life cycle emissions and cost of producing electricity from coal, natural gas, and wood pellets in Ontario, Canada.

    Yimin Zhang;Jon McKechnie;Denis Cormier;Robert Lyng

  • An environmental-economic evaluation of hybrid electric vehicles: Toyota's Prius vs. its conventional internal combustion engine Corolla

    Lester B Lave;Heather L MacLean

  • Electrification of light-duty vehicle fleet alone will not meet mitigation targets

    Alexandre Milovanoff;I. Daniel Posen;Heather L. MacLean

  • Life Cycle Assessment of Automobile/Fuel Options

    Heather L. Maclean;Lester B. Lave

  • Life-cycle energy analysis of a water distribution system

    Yves R. Filion;Heather L. MacLean;Bryan W. Karney

  • Peer Reviewed: A Life-Cycle Model of an Automobile

    Heather L. MacLean;Lester B. Lave

  • A Rational Procedure for Estimation of Greenhouse-Gas Emissions from Municipal Wastewater Treatment Plants

    Hugh D Monteith;Halla R Sahely;Heather L MacLean;David M Bagley

  • The contribution of enzymes and process chemicals to the life cycle of ethanol

    Heather L MacLean;Sabrina Spatari;Sabrina Spatari

  • Life cycle greenhouse gas emissions of concrete containing supplementary cementitious materials: cut-off vs. substitution

    Alessandro Arrigoni;Daman K. Panesar;Mel Duhamel;Tamar Opher

  • Environmental implications of municipal solid waste-derived ethanol.

    Youssouf Kalogo;Shiva Habibi;Heather L MacLean;Satish V Joshi

Frequent Co-Authors

Lester B. Lave
Lester B. Lave Carnegie Mellon University
David M. Bagley
David M. Bagley University of Wyoming
Sabrina Spatari
Sabrina Spatari Drexel University
Matthew J. Roorda
Matthew J. Roorda University of Toronto
W. Michael Griffin
W. Michael Griffin Carnegie Mellon University
Gregory P. Downey
Gregory P. Downey National Jewish Health
Timothy J. Wallington
Timothy J. Wallington Ford Motor Company (United States)
Hyung Chul Kim
Hyung Chul Kim Ford Motor Company (United States)
Jeffrey A. Siegel
Jeffrey A. Siegel University of Toronto
Christopher Kennedy
Christopher Kennedy University of Victoria

External Links

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Considering a future in Engineering and Technology? Today’s students enjoy a growing range of flexible learning options that fit various lifestyles, goals, and budgets. Many choose specialized fields, like earning an urban planning online degree to combine technical skills with city development expertise—often at an affordable price.

Fast-tracking your education is possible too. If you’re looking to upskill quickly, a masters degree in 6 months can accelerate career advancement, letting you gain credentials without spending years in school.

Some students prefer concise training that leads directly to well-paying jobs. There are many 6-month certificate programs that pay well, helping you enter or advance in technical fields with less time and lower cost.

For busy adults balancing work and family, online learning offers convenience and flexibility. There are online programs tailored for every stage of life—including online degrees for moms that support professional growth without sacrificing personal commitments.

From rapid certificates to advanced degrees, exploring these pathways can open doors to diverse, rewarding careers in Engineering and Technology.

Best Scientists Citing Heather L. MacLean

Trending Scientists

Recently Published Articles