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Environmental Sciences
Sri Lanka
2026

D-Index & Metrics

Environmental Sciences

D-Index
94
Citations
32805
World Ranking
501
National Ranking
1

Chemistry

D-Index
84
Citations
27440
World Ranking
2796
National Ranking
1

Meththika Vithanage 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 Meththika Vithanage 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: 463 publications — 96th percentile

96% of scientists in this discipline score the same or lower.

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

Meththika Vithanage 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 Meththika Vithanage 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: 94 D-Index — 95th percentile

95% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2026 - Research.com Environmental Sciences in Sri Lanka Leader Award
  • 2025 - Research.com Environmental Sciences in Sri Lanka Leader Award
  • 2023 - Research.com Environmental Sciences in Sri Lanka Leader Award
  • 2022 - Research.com Environmental Sciences in Sri Lanka Leader Award

Overview

Meththika Vithanage is affiliated with the University of Sri Jayewardenepura in Sri Lanka and specializes in Environmental Science. Their work encompasses multiple subfields, including Pollution, Industrial and Manufacturing Engineering, Water Science and Technology, Health, Toxicology and Mutagenesis, and Biomaterials.

Their research addresses a range of environmental topics such as:

  • Adsorption and biosorption for pollutant removal
  • Microplastics and Plastic Pollution
  • Recycling and Waste Management Techniques
  • Heavy metals in environment
  • Pharmaceutical and Antibiotic Environmental Impacts
  • Clay minerals and soil interactions
  • Municipal Solid Waste Management

Selected recent publications by Meththika Vithanage include:

  • Weathering of microplastics and interaction with other coexisting constituents in terrestrial and aquatic environments (2021), published in Water Research
  • Multifunctional applications of biochar beyond carbon storage (2021), published in International Materials Reviews
  • Interactions between microplastics, pharmaceuticals and personal care products: Implications for vector transport (2021), published in Environment International
  • Progress and prospects in mitigation of landfill leachate pollution: Risk, pollution potential, treatment and challenges (2021), published in Journal of Hazardous Materials
  • Antimony contamination and its risk management in complex environmental settings: A review (2021), published in Environment International

Their collaborations include frequent co-authorship with researchers such as Anushka Upamali Rajapaksha, Nanthi Bolan, Hasintha Wijesekara, Jörg Rinklebe, and Binoy Sarkar.

Vithanage's publications often appear in journals such as Environmental Research, Environmental Pollution, The Science of The Total Environment, Journal of Hazardous Materials, and Biochar, reflecting a diverse presence across environmental science literature.

They have also contributed to book publications, including a title on landfill leachate management published by UWA Publishing in 2023.

Best Publications

  • Biochar as a sorbent for contaminant management in soil and water: a review.

    Mahtab Ahmad;Anushka Upamali Rajapaksha;Jung Eun Lim;Ming Zhang

  • Engineered/designer biochar for contaminant removal/immobilization from soil and water: Potential and implication of biochar modification

    Anushka Upamali Rajapaksha;Season S. Chen;Daniel C.W. Tsang;Ming Zhang

  • Weathering of microplastics and interaction with other coexisting constituents in terrestrial and aquatic environments

    Jiajun Duan;Nanthi Bolan;Yang Li;Shiyuan Ding

  • Biochar based removal of antibiotic sulfonamides and tetracyclines in aquatic environments: A critical review.

    Chathuri Peiris;Sameera R. Gunatilake;Todd E. Mlsna;Dinesh Mohan

  • Multifunctional applications of biochar beyond carbon storage

    Nanthi Bolan;Nanthi Bolan;Son A. Hoang;Jingzi Beiyuan;Souradeep Gupta

  • Interactions between microplastics, pharmaceuticals and personal care products: Implications for vector transport.

    Thilakshani Atugoda;Meththika Vithanage;Hasintha Wijesekara;Nanthi Bolan

  • Antimony as a global dilemma: Geochemistry, mobility, fate and transport ☆

    Indika Herath;Meththika Vithanage;Jochen Bundschuh

  • Applications of biochar in redox-mediated reactions.

    Yong Yuan;Nanthi Bolan;Antonin Prévoteau;Meththika Vithanage

  • Trichloroethylene adsorption by pine needle biochars produced at various pyrolysis temperatures.

    Mahtab Ahmad;Sang Soo Lee;Anushka Upamali Rajapaksha;Meththika Vithanage

  • Enhanced sulfamethazine removal by steam-activated invasive plant-derived biochar.

    Anushka Upamali Rajapaksha;Meththika Vithanage;Mahtab Ahmad;Dong Cheol Seo

  • A critical prospective analysis of the potential toxicity of trace element regulation limits in soils worldwide: Are they protective concerning health risk assessment? - A review.

    Vasileios Antoniadis;Sabry M. Shaheen;Efi Levizou;Muhammad Shahid

  • Pyrolysis condition affected sulfamethazine sorption by tea waste biochars.

    Anushka Upamali Rajapaksha;Meththika Vithanage;Ming Zhang;Mahtab Ahmad

  • Interaction of arsenic with biochar in soil and water: A critical review

    Meththika Vithanage;Indika Herath;Stephen Joseph;Jochen Bundschuh

  • Biochar-based engineered composites for sorptive decontamination of water: A review

    K.S.D. Premarathna;Anushka Upamali Rajapaksha;Binoy Sarkar;Eilhann E. Kwon

  • Progress and prospects in mitigation of landfill leachate pollution: Risk, pollution potential, treatment and challenges

    Prabuddhi Wijekoon;Pabasari Arundathi Koliyabandara;Asitha T. Cooray;Su Shiung Lam

  • Biochar production from date palm waste: Charring temperature induced changes in composition and surface chemistry

    Adel R.A. Usman;Adel R.A. Usman;Adel Abduljabbar;Meththika Vithanage;Yong Sik Ok

  • Fluoride in the environment: sources, distribution and defluoridation

    Meththika Vithanage;Prosun Bhattacharya

  • Advances and future directions of biochar characterization methods and applications

    Avanthi Deshani Igalavithana;Avanthi Deshani Igalavithana;Sanchita Mandal;Nabeel Khan Niazi;Nabeel Khan Niazi;Meththika Vithanage

  • Antimony contamination and its risk management in complex environmental settings: A review

    Nanthi Bolan;Manish Kumar;Ekta Singh;Aman Kumar

  • Biofilm formation and its implications on the properties and fate of microplastics in aquatic environments: A review

    Unknown

  • Natural arsenic in global groundwaters: distribution and geochemical triggers for mobilization

    Indika Herath;Indika Herath;Meththika Vithanage;Meththika Vithanage;Jochen Bundschuh;Jyoti Prakash Maity;Jyoti Prakash Maity

  • Heavy metal-induced oxidative stress on seed germination and seedling development: a critical review.

    Mihiri Seneviratne;Nishanta Rajakaruna;Nishanta Rajakaruna;Muhammad Rizwan;H. M. S. P. Madawala

Frequent Co-Authors

Yong Sik Ok
Yong Sik Ok Korea University
Mahtab Ahmad
Mahtab Ahmad Quaid-i-Azam University
Binoy Sarkar
Binoy Sarkar University of Adelaide
Nanthi Bolan
Nanthi Bolan University of Western Australia
Jörg Rinklebe
Jörg Rinklebe University of Wuppertal
Adel R.A. Usman
Adel R.A. Usman Assiut University
Sang Soo Lee
Sang Soo Lee Yonsei University
Karen G. Villholth
Karen G. Villholth International Water Management Institute
Prosun Bhattacharya
Prosun Bhattacharya Royal Institute of Technology
Nabeel Khan Niazi
Nabeel Khan Niazi University of Agriculture Faisalabad

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Related Online Degrees & Career Pathways

Studying Environmental Sciences in the USA opens doors to diverse career pathways. Many students complement their technical knowledge with fields like sociology to better understand human impact on the environment. For those interested in this interdisciplinary approach, exploring a sociology bachelor degree online can be a powerful addition to an environmental science background.

For professionals aiming to advance their expertise and leadership skills, pursuing advanced degrees is key. Doctoral programs that offer flexibility, such as doctoral programs online no dissertation, cater to working students seeking efficient paths to earning their doctorate without the traditional dissertation requirement.

Educators and practitioners can also benefit from programs designed to build upon existing credentials. Options like the eds to edd bridge program offer seamless transitions for those holding an Education Specialist degree to earn a Doctorate in Education, thereby enhancing their qualifications for environmental education roles.

Additionally, advancing social work skills related to environmental justice and community health is an important avenue. Affordable and accessible programs such as dsw online programs provide pathways for graduates to integrate social work with environmental advocacy and policy development.

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