Total 2,392,995 scientists, country 221, and institutions 24,455 are evaluated in the Productivity Rankings, an exclusive service provided by AD Scientific Index. This ranking measures and highlights the scientific productivity of researchers based on the i10 index (number of publications with at least 10 citations). This system identifies highly productive scientists across disciplines, institutions, and regions, contributing to the development of evidence-based academic policies and effective incentive mechanisms. The rankings include global, regional, and institutional analyses, along with specialized rankings such as Scientists' Last 6 Years' i10 Index and Universities' i10 Index Rankings 2025. With Premium Membership, you can:
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* Total i10 IndexRankings
Ranking Based On Selection: 1
Phytotoxicity and Phytoremidiation of heavy metals and industrial effluents
stress physiology
Environmental Science
biochar
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
558
511
0.916
* Total i10 IndexRankings
Ranking Based On Selection: 2
Environmental Health
Contaminants and Exposure
ecotoxicology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
210
187
0.890
* Total i10 IndexRankings
Ranking Based On Selection: 3
Waste biorefinery
Waste-to-energy
Biofuels
Circular economy
Bioeconomy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
174
166
0.954
* Total i10 IndexRankings
Ranking Based On Selection: 4
Climate Change
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
153
125
0.817
* Total i10 IndexRankings
Ranking Based On Selection: 5
Environmental Science and Technology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
149
145
0.973
* Total i10 IndexRankings
Ranking Based On Selection: 6
environmental Science
Biochemistry
Adsorption
Ultrafiltration
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
133
123
0.925
* Total i10 IndexRankings
Ranking Based On Selection: 7
Energy Systems
Hydrogen Economy
Life Cycle Assessment
Energy Transition
Techno-Economic Analysis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
103
98
0.951
* Total i10 IndexRankings
Ranking Based On Selection: 8
Environmental Geochemistry
Water Contamination
Soil Contamination
Phytoremediation
Climate Change
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
88
86
0.977
* Total i10 IndexRankings
Ranking Based On Selection: 9
Environmental Science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
87
80
0.920
* Total i10 IndexRankings
Ranking Based On Selection: 10
Climate Change
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
84
35
0.417
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* Total i10 IndexRankings
Ranking Based On Selection: 11
Pharmacology
Anti-cancer
Endocrine diseases
Inflammatory diseases
Drug Development
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
82
77
0.939
* Total i10 IndexRankings
Ranking Based On Selection: 12
Environmental Microbiology & Biotechnology
Life Sciences
Wastewater Treatment
Bionanotechnology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
77
74
0.961
* Total i10 IndexRankings
Ranking Based On Selection: 13
Biogeochemistry
Nutrient cycling
Biochar
SOM
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
74
66
0.892
* Total i10 IndexRankings
Ranking Based On Selection: 14
Water and waste water treatment
Pretreatment of MSW
Biological Treatment
Waste Agricultural Biomass
Anaerobic co-digestion o
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
74
61
0.824
* Total i10 IndexRankings
Ranking Based On Selection: 15
Composite Adsorbents
Water Treatment
Environmental Nanotechnology
WASH
Climate Change
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
72
63
0.875
* Total i10 IndexRankings
Ranking Based On Selection: 16
Rehabilitation
Physical Therapy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
64
49
0.766
* Total i10 IndexRankings
Ranking Based On Selection: 17
Climate Change
Forests and Biodiversity Conservation
Floods Hydrology
Natural Resources Management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
63
47
0.746
* Total i10 IndexRankings
Ranking Based On Selection: 18
Ecotoxicology
Environmental Health
Biogeochemistry
Wastewater Treatment
Plant Biochemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
60
57
0.950
* Total i10 IndexRankings
Ranking Based On Selection: 19
ozonation
Electrocoagulation
ceramic membranes
Advanced oxidation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
55
54
0.982
* Total i10 IndexRankings
Ranking Based On Selection: 20
environmental
agricultural
economic and social issues
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
54
43
0.796
* Total i10 IndexRankings
Ranking Based On Selection: 21
Environmental Sciences
Microbiology
Drinking Water
Pesticides
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
54
36
0.667
* Total i10 IndexRankings
Ranking Based On Selection: 22
water quality
arsenic and fluoride in groundwater
geochemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
51
48
0.941
* Total i10 IndexRankings
Ranking Based On Selection: 23
Degraded soils
water
air quality and GIS mapping
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
51
47
0.922
* Total i10 IndexRankings
Ranking Based On Selection: 24
Climate change
Risk Perception
Risk Management
Non-farm Income
Poverty
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
49
38
0.776
* Total i10 IndexRankings
Ranking Based On Selection: 25
Electrochemical degradation
OER catalysis
Advanced Oxidation Processes
Environmental nanotechnology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
47
47
1.000
Shafaqat Ali
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
558
511
0.916
Phytotoxicity and Phytoremidiation of heavy metals and industrial effluents
stress physiology
Environmental Science
biochar
Riffat Naseem Malik
Quaid-i-Azam University Islamabad
Islamabad, Pakistan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
210
187
0.890
Environmental Health
Contaminants and Exposure
ecotoxicology
Abdul Sattar Nizami
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
174
166
0.954
Waste biorefinery
Waste-to-energy
Biofuels
Circular economy
Bioeconomy
Hidayat Ullah
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
153
125
0.817
Amjad Ali
University of Agriculture Peshawar
Peshawar, Pakistan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
149
145
0.973
Environmental Science and Technology
Muhammad Zahoor
University of Malakand
Chakdara, Pakistan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
133
123
0.925
environmental Science
Biochemistry
Adsorption
Ultrafiltration
Muhammad Imran Khan
Cecos University
Peshawar, Pakistan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
103
98
0.951
Energy Systems
Hydrogen Economy
Life Cycle Assessment
Energy Transition
Techno-Economic Analysis
Said Muhammad
University of Peshawar
Peshawar, Pakistan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
88
86
0.977
Environmental Geochemistry
Water Contamination
Soil Contamination
Phytoremediation
Climate Change
Muhammad Arshad
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
87
80
0.920
Environmental Science
Mahmood Alam Khan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
84
35
0.417
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Muhammad Furqan Akhtar
Riphah International University
Islamabad, Pakistan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
82
77
0.939
Pharmacology
Anti-cancer
Endocrine diseases
Inflammatory diseases
Drug Development
Sabir Hussain
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
77
74
0.961
Environmental Microbiology & Biotechnology
Life Sciences
Wastewater Treatment
Bionanotechnology
Muhammad Riaz
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
74
66
0.892
Biogeochemistry
Nutrient cycling
Biochar
SOM
Rasool Bux Mahar
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
74
61
0.824
Water and waste water treatment
Pretreatment of MSW
Biological Treatment
Waste Agricultural Biomass
Anaerobic co-digestion o
Shams Ali Baig
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
72
63
0.875
Composite Adsorbents
Water Treatment
Environmental Nanotechnology
WASH
Climate Change
Muhammad Usman Khan
Quaid-i-Azam University Islamabad
Islamabad, Pakistan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
64
49
0.766
Rehabilitation
Physical Therapy
Muhammad Qasim
University of Swat
Mingora, Pakistan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
63
47
0.746
Climate Change
Forests and Biodiversity Conservation
Floods Hydrology
Natural Resources Management
Mujahid Farid
University of Gujrat
Punjab, Pakistan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
60
57
0.950
Ecotoxicology
Environmental Health
Biogeochemistry
Wastewater Treatment
Plant Biochemistry
Amir Ikhlaq
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
55
54
0.982
ozonation
Electrocoagulation
ceramic membranes
Advanced oxidation
Adiqa Kausar Kiani
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
54
43
0.796
environmental
agricultural
economic and social issues
Imran Hashmi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
54
36
0.667
Environmental Sciences
Microbiology
Drinking Water
Pesticides
Abida Farooqi
Quaid-i-Azam University Islamabad
Islamabad, Pakistan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
51
48
0.941
water quality
arsenic and fluoride in groundwater
geochemistry
Hamaad Raza Ahmad
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
51
47
0.922
Degraded soils
water
air quality and GIS mapping
Muhammad Amjed İqbal
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
49
38
0.776
Climate change
Risk Perception
Risk Management
Non-farm Income
Poverty
Waqas Qamar Zaman
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
47
47
1.000
Electrochemical degradation
OER catalysis
Advanced Oxidation Processes
Environmental nanotechnology