World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
74
Citations
14864
World Ranking
1369
National Ranking
40

P.E.G. Leonards 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 P.E.G. Leonards sits on this spectrum.

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: 283 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: 25 scientists 501–510 publications: 17 scientists 511–520 publications: 18 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 681–686 publications: 3 scientists 687+ publications: 100 scientists
41 publications 687+

This scientist: 347 publications — 90th percentile

90% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 687 publications or more.

P.E.G. Leonards 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 P.E.G. Leonards sits on this spectrum.

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: 199 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: 19 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: 99 scientists
30 D-Index 125+

This scientist: 74 D-Index — 87th percentile

87% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 125 D-Index or more.

Best Publications

  • Distribution and Fate of HBCD and TBBPA Brominated Flame Retardants in North Sea Estuaries and Aquatic Food Webs

    Steven Morris;Colin R. Allchin;Bart N. Zegers;Joris J. H. Haftka

  • Polybrominated diphenyl ethers in influents, suspended particulate matter, sediments, sewage treatment plant and effluents and biota from the Netherlands.

    Jacob de Boer;Peter G. Wester;Aschwin van der Horst;Pim E.G. Leonards

  • Competitive binding of poly- and perfluorinated compounds to the thyroid hormone transport protein transthyretin.

    Jana M. Weiss;Patrik L. Andersson;Marja H. Lamoree;Pim E. G. Leonards

  • A review of semi-volatile organic compounds (SVOCs) in the indoor environment: occurrence in consumer products, indoor air and dust

    Luisa Lucattini;Giulia Poma;Adrian Covaci;Jacob de Boer

  • Indoor Contamination with Hexabromocyclododecanes, Polybrominated Diphenyl Ethers, and Perfluoroalkyl Compounds: An Important Exposure Pathway for People?

    Stuart Harrad;Cynthia A. de Wit;Mohamed Abou-Elwafa Abdallah;Caroline Bergh

  • Chlorinated paraffins in the environment: A review on their production, fate, levels and trends between 2010 and 2015.

    Louise M. van Mourik;Louise M. van Mourik;Caroline Gaus;Pim E.G. Leonards;Jacob de Boer

  • Tracing organophosphorus and brominated flame retardants and plasticizers in an estuarine food web.

    Sicco H. Brandsma;Pim E.G. Leonards;Heather A. Leslie;Jacob de Boer

  • Concentration-dependent changes of PCB patterns in fish-eating mammals: structural evidence for induction of cytochrome P450

    J. P. Boon;J. van der Meer;C. R. Allchin;R. J. Law

  • A 28-day oral dose toxicity study enhanced to detect endocrine effects of hexabromocyclododecane in wistar rats

    Leo T. M. van der Ven;Aart Verhoef;Ton van de Kuil;Wout Slob

  • Organophosphorus flame retardants (PFRs) and plasticizers in house and car dust and the influence of electronic equipment.

    Sicco H. Brandsma;Jacob de Boer;Martin J.M. van Velzen;Pim E.G. Leonards

  • European demonstration program on the effect-based and chemical identification and monitoring of organic pollutants in European surface waters

    Zuzana Toušová;Peter Oswald;Jaroslav Slobodník;Luděk Bláha

  • Endocrine effects of tetrabromobisphenol-A (TBBPA) in Wistar rats as tested in a one-generation reproduction study and a subacute toxicity study

    Leo T.M. Van der Ven;Ton Van de Kuil;Aart Verhoef;Cynthia M. Verwer

  • Application of biomarkers for exposure and effect of polyhalogenated aromatic hydrocarbons in naturally exposed European otters (Lutra lutra).

    A.J. Murk;P.E.G. Leonards;B. van Hattum;R. Luit

  • Early-life exposure to persistent organic pollutants (OCPs, PBDEs, PCBs, PFASs) and attention-deficit/hyperactivity disorder : A multi-pollutant analysis of a Norwegian birth cohort

    Virissa Lenters;Nina Iszatt;Joan Forns;Eliška Čechová

  • High-resolution separation of polychlorinated biphenyls by comprehensive two-dimensional gas chromatography.

    Peter Korytár;P.E.G Leonards;J de Boer;U.A.Th Brinkman

  • Properties, performance and associated hazards of state-of-the-art durable water repellent (DWR) chemistry for textile finishing

    H. Holmquist;Steffen Schellenberger;I. van der Veen;G. M. Peters

  • Masking effect of anti-androgens on androgenic activity in European river sediment unveiled by effect-directed analysis

    Jana M. Weiss;Timo Hamers;Kevin V. Thomas;Sander van der Linden

  • Toxicity of tetrabromobisphenol A (TBBPA) in zebrafish (Danio rerio) in a partial life-cycle test.

    R. V. Kuiper;E. J. van den Brandhof;P. E. G. Leonards;L. T. M. van der Ven

  • Determination of organotin compounds in the foodweb of a shallow freshwater lake in the Netherlands.

    J.A. Stäb;T.P. Traas;G. Stroomberg;J. van Kesteren

  • Endocrine effects of hexabromocyclododecane (HBCD) in a one-generation reproduction study in Wistar rats

    Leo T.M. van der Ven;Ton van de Kuil;Pim E.G. Leonards;Wout Slob

Frequent Co-Authors

J. de Boer
J. de Boer Vrije Universiteit Amsterdam
Jacob de Boer
Jacob de Boer Vrije Universiteit Amsterdam
Peter Haglund
Peter Haglund Umeå University
Mohamed Abou-Elwafa Abdallah
Mohamed Abou-Elwafa Abdallah University of Birmingham
Karin Wiberg
Karin Wiberg Swedish University of Agricultural Sciences
Leo Goeyens
Leo Goeyens Vrije Universiteit Brussel
Cynthia A. de Wit
Cynthia A. de Wit Stockholm University
Esteban Abad
Esteban Abad Spanish National Research Council
Miriam L. Diamond
Miriam L. Diamond University of Toronto
Stuart Harrad
Stuart Harrad University of Birmingham

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Related Online Degrees & Career Pathways

For those interested in Environmental Sciences, exploring related fields can broaden career opportunities. A bachelors degree in sociology online provides valuable insight into societal impacts on the environment, helping students understand human behaviors and policies that affect ecological outcomes.

Advancing to higher education, educators and environmental professionals might consider programs like an edd no dissertation degree. This path offers an accelerated route for experts seeking leadership roles without the traditional dissertation requirement, making it accessible for working professionals.

To further enhance credentials, many pursue an online eds to edd bridge program, allowing seamless transition from a Doctor of Education (EdS) to a Doctor of Education (EdD). This option suits environmental educators aiming to impact policy and curriculum development at higher levels.

For those focused on social work within environmental contexts, studying through dsw programs can equip graduates with advanced skills to address environmental justice and community well-being, merging social care with environmental advocacy.

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