Citation Rankings (Highly Cited Researchers) and the list of the most cited and influential researchers cover a wide range of scientific fields, spanning 197 main and sub-disciplines, as well as the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings, offering a unique service. Additionally, the list without CERN, Statistical Data, etc., provided exclusively by “AD Scientific Index”, is part of our effort to balance the situation created by CERN and researchers with statistical data, who have an advantage over others, especially those in the social and humanities fields. There should be new regulations for multi-author and CERN papers. Citation lists also reveal many rule violations and unethical practices. See also for more specific citation analyses: Scientists Last 6 years Citation Index, Universities Total Citations Rankings 2025 and Universities Last 6 Years Citations Rankings 2025
* Total Citation Counts Rankings
Ranking Based On Selection :1
Pyrolysis
Microwave Pyrolysis
Waste and Biomass Recovery
Water & Wastewater Treatment
Biochar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,348
24,730
0.939
* Total Citation Counts Rankings
Ranking Based On Selection :2
environmental chemistry
organic geochemistry
atmospheric pollution
aquatic pollution
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,209
1,632
0.509
* Total Citation Counts Rankings
Ranking Based On Selection :3
Aquatic Toxiology
Sediment Geochemistry
Trace Metals
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,729
1,195
0.438
* Total Citation Counts Rankings
Ranking Based On Selection :4
WATER AND WASTEWATER TREATMENT
AQUACULTURE
ENVIRONMENTAL MANAGEMENT
NUTRIENT RECOVERY
MEMBRANE SEPARATION AND MODELLING
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,495
1,402
0.562
* Total Citation Counts Rankings
Ranking Based On Selection :5
Air Pollution and Climate change
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,295
1,631
0.711
* Total Citation Counts Rankings
Ranking Based On Selection :6
Environmental Engineering
Waste to Energy
Sustainable concrete
Renewable energy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,303
1,061
0.814
* Total Citation Counts Rankings
Ranking Based On Selection :7
Air and Noise Pollution
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,231
1,191
0.968
* Total Citation Counts Rankings
Ranking Based On Selection :8
Renewable Energy
Environmental Technology
Applied Geospatial
Fluid
Thermal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
843
686
0.814
* Total Citation Counts Rankings
Ranking Based On Selection :9
Environmental Science and Technology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
765
738
0.965
* Total Citation Counts Rankings
Ranking Based On Selection :10
Environmental Soil Physics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
678
354
0.522
* Total Citation Counts Rankings
Ranking Based On Selection :11
Environmental Engineering (Air Pollution)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
528
311
0.589
* Total Citation Counts Rankings
Ranking Based On Selection :12
environmental and natural resource economic
economic valuation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
433
390
0.901
* Total Citation Counts Rankings
Ranking Based On Selection :13
air quality
sick building syndrome
indoor air quality
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
401
389
0.970
* Total Citation Counts Rankings
Ranking Based On Selection :14
microbial ecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
48
48
1.000
* Total Citation Counts Rankings
Ranking Based On Selection :15
civil and environmental engineering
remote sensing
SAR
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30
30
1.000
Su Shiung Lam 蓝世雄
Universiti Malaysia Terengganu
Kuala Terengganu, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,348
24,730
0.939
Pyrolysis
Microwave Pyrolysis
Waste and Biomass Recovery
Water & Wastewater Treatment
Biochar
Norhayati Mohd Tahir
Universiti Malaysia Terengganu
Kuala Terengganu, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,209
1,632
0.509
environmental chemistry
organic geochemistry
atmospheric pollution
aquatic pollution
Noor Azhar Mohd Shazili
Universiti Malaysia Terengganu
Kuala Terengganu, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,729
1,195
0.438
Aquatic Toxiology
Sediment Geochemistry
Trace Metals
Nora Aini Ali
Universiti Malaysia Terengganu
Kuala Terengganu, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,495
1,402
0.562
WATER AND WASTEWATER TREATMENT
AQUACULTURE
ENVIRONMENTAL MANAGEMENT
NUTRIENT RECOVERY
MEMBRANE SEPARATION AND MODELLING
Marzuki Ismail
Universiti Malaysia Terengganu
Kuala Terengganu, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,295
1,631
0.711
Air Pollution and Climate change
Md Nurul Islam Siddique
Universiti Malaysia Terengganu
Kuala Terengganu, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,303
1,061
0.814
Environmental Engineering
Waste to Energy
Sustainable concrete
Renewable energy
Samsuri Abdullah
Universiti Malaysia Terengganu
Kuala Terengganu, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,231
1,191
0.968
Air and Noise Pollution
Aliashim Albani
Universiti Malaysia Terengganu
Kuala Terengganu, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
843
686
0.814
Renewable Energy
Environmental Technology
Applied Geospatial
Fluid
Thermal
Teh Sabariah Binti Abd Manan
Universiti Malaysia Terengganu
Kuala Terengganu, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
765
738
0.965
Environmental Science and Technology
Sunny Goh Eng Giap
Universiti Malaysia Terengganu
Kuala Terengganu, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
678
354
0.522
Environmental Soil Physics
Nurul Adyani Ghazali
Universiti Malaysia Terengganu
Kuala Terengganu, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
528
311
0.589
Environmental Engineering (Air Pollution)
Mahirah Kamaludin
Universiti Malaysia Terengganu
Kuala Terengganu, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
433
390
0.901
environmental and natural resource economic
economic valuation
Amalina Binti Abu Mansor
Universiti Malaysia Terengganu
Kuala Terengganu, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
401
389
0.970
air quality
sick building syndrome
indoor air quality
Afiq Mohd Fahmi
Universiti Malaysia Terengganu
Kuala Terengganu, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
48
48
1.000
Fatchurrachman, Bse
Universiti Malaysia Terengganu
Kuala Terengganu, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30
30
1.000
civil and environmental engineering
remote sensing
SAR