i10 Productivity
Rankings
Institute for Global Environmental Strategies (IGES) Scientists i10 Productivity Rankings 2025
Productivity Rankings is a unique service offered only by “AD Scientific Index”. This is a ranking system derived from the i10 index in order to show the productivity of the scientist in publishing scientific articles of value. Productivity Rankings is an instrument that lists productive scientists in a given area, discipline, university, and country and can guide the development of meaningful incentives and academic policies. The world rankings, regional rankings, and university rankings of scientists in this table are developed based on the total i10 index. Additionally, click to view the special rankings based on Productivity Rankings: Scientists Last 6 years' i10 Index", Universities Total i10 Index Rankings 2025, Universities Last 6 Years i10 Index Rankings 2025 "Art and Humanities i10 Productivity Rankings" and "Social Sciences and Humanities i10 Productivity Rankings".
* Total i10 IndexRankings
Ranking Based On Selection :1
Water resource management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
619
431
0.696
* Total i10 IndexRankings
Ranking Based On Selection :2
environmental studies
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
144
102
0.708
* Total i10 IndexRankings
Ranking Based On Selection :3
Hydrogeology
Hydrogeochemistry
Hydrological Modeling
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
123
81
0.659
* Total i10 IndexRankings
Ranking Based On Selection :4
Sustainability science
ecosystem services
natural capital
biodiversity
ecosystem management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
110
103
0.936
* Total i10 IndexRankings
Ranking Based On Selection :5
Remote Sensing
GIS
Land Use/Land Cover Change
Object-based Image Analysis
Volunteered Geographic
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
77
72
0.935
* Total i10 IndexRankings
Ranking Based On Selection :6
Political Economy of Low Carbon Development
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
43
30
0.698
* Total i10 IndexRankings
Ranking Based On Selection :7
Environmental management
Energy
Climate change
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
23
0.639
* Total i10 IndexRankings
Ranking Based On Selection :8
Sustainable Development
Environmental Politics
Political Economy
Comparative Politics
Japanese Politics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
13
0.591
* Total i10 IndexRankings
Ranking Based On Selection :9
global governance
waste management
recycling
sustainable resource management
resource efficiency
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
13
0.619
* Total i10 IndexRankings
Ranking Based On Selection :10
Climate change adaptation
disaster risk reduction
natural resource management
agriculture
participatory techniques
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
10
0.476
* Total i10 IndexRankings
Ranking Based On Selection :11
Air Pollution
transportation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
14
0.737
* Total i10 IndexRankings
Ranking Based On Selection :12
Environmental Engineering
SDGs
LCA
MPs
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
15
0.833
* Total i10 IndexRankings
Ranking Based On Selection :13
Urban/Regional Planning
Water Security
Water-Energy-Food Nexus
Disaster Risk Reduction
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
17
1.000
* Total i10 IndexRankings
Ranking Based On Selection :14
water energy food nexus
water environment governance
management of trans boundary water bodies
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
16
0.941
* Total i10 IndexRankings
Ranking Based On Selection :15
biodiversity
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
11
0.733
* Total i10 IndexRankings
Ranking Based On Selection :16
Remote sensing and GIS
Ecosystem services
Landscape ecology
Climate Change Adaptation & Social
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
12
1.000
* Total i10 IndexRankings
Ranking Based On Selection :17
sustainability
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
6
0.667
* Total i10 IndexRankings
Ranking Based On Selection :18
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
6
0.667
* Total i10 IndexRankings
Ranking Based On Selection :19
Urban Studies
Urban Planning
Shrinking Cities
Japanese Studies
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
8
1.000
* Total i10 IndexRankings
Ranking Based On Selection :20
energy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
7
0.875
* Total i10 IndexRankings
Ranking Based On Selection :21
Climate policy
sustainable development goals (SDGs)
trade and the environment
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
7
0.875
* Total i10 IndexRankings
Ranking Based On Selection :22
Governance Food systems Food security Transformation Sustainability science Agency Diversity Landscapes Collective action
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
* Total i10 IndexRankings
Ranking Based On Selection :23
Sustainability
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
* Total i10 IndexRankings
Ranking Based On Selection :24
Climate change mitigation
low carbon society
solid waste management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
* Total i10 IndexRankings
Ranking Based On Selection :25
Energy Policy
Participatory Process
Modelling
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
Pankaj Kumar
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
619
431
0.696
Kazuhiko Takeuchi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
144
102
0.708
environmental studies
Pankaj Kumar
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
123
81
0.659
Hydrogeology
Hydrogeochemistry
Hydrological Modeling
Osamu Saito
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
110
103
0.936
Sustainability science
ecosystem services
natural capital
biodiversity
ecosystem management
Brian Alan Johnson
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
77
72
0.935
Remote Sensing
GIS
Land Use/Land Cover Change
Object-based Image Analysis
Volunteered Geographic
Eric Zusman
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
43
30
0.698
Political Economy of Low Carbon Development
Xianbing Liu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
23
0.639
Environmental management
Energy
Climate change
Mark Elder
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
13
0.591
Sustainable Development
Environmental Politics
Political Economy
Comparative Politics
Japanese Politics
Yasuhiko Hotta
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
13
0.619
global governance
waste management
recycling
sustainable resource management
resource efficiency
Sivapuram Venkata Rama Krishna Prabhakar
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
10
0.476
Climate change adaptation
disaster risk reduction
natural resource management
agriculture
participatory techniques
Sudarmanto Budi Nugroho
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
14
0.737
Air Pollution
transportation
Amila Abeynayaka|
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
15
0.833
Environmental Engineering
SDGs
LCA
MPs
Vibhas Sukhwani
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
17
1.000
Urban/Regional Planning
Water Security
Water-Energy-Food Nexus
Disaster Risk Reduction
Bijon Kumer Mitra
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
16
0.941
water energy food nexus
water environment governance
management of trans boundary water bodies
Andre Mader
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
11
0.733
Mesfin Sahle Achemo
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
12
1.000
Remote sensing and GIS
Ecosystem services
Landscape ecology
Climate Change Adaptation & Social
Simon Hoeiberg Olsen
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
6
0.667
Chika Aoki-Suzuki
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
6
0.667
Fernando Ortiz-Moya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
8
1.000
Urban Studies
Urban Planning
Shrinking Cities
Japanese Studies
Ryoko Nakano
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
7
0.875
Xin Zhou
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
7
0.875
Climate policy
sustainable development goals (SDGs)
trade and the environment
Raffaela Kozar
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
Governance Food systems Food security Transformation Sustainability science Agency Diversity Landscapes Collective action
Vivek Anand Asokan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
Kyoko Take|Hoa NGUYEN
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
Climate change mitigation
low carbon society
solid waste management
Tanaka Yugo
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000