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".
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :1
forest ecology
biogeochemistry
carbon cycle
land use
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
52
44
0.846
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :2
environment
sustainability
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
48
40
0.833
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :3
clean energy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
69
37
0.536
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :4
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
42
35
0.833
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :5
Food Processing and Engineering
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
35
35
1.000
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :6
Ecological Economics
Environmental Valuation
Green Accounting
Payment for Ecosystem Services
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
41
29
0.707
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :7
climate change
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
24
0.750
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :8
Environmental landscapes
climate change mitigation
remote sensing
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
34
23
0.676
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :9
Forest Monitoring
Carbon Storage
REDD+
International Development
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
22
0.846
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :10
Forestry
Conservation
Landscape Restoration
Sustainable Development
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
20
0.870
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :11
Biodiversity and Ecosystem Valuation
Socio-economic impact of LULUC and Climate Change
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
19
0.731
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :12
Nanomaterials
Water treatment
Urban Water Management
Wetlands
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
19
0.905
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :13
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
19
1.000
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :14
agriculture
climate
land use
livestock
ecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
16
0.941
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :15
Forest Economics
Policy
Optimization
Landscape Restoration
Spatial Economics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
14
0.737
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :16
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
13
0.591
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :17
Forest monitoring
GIS
ecology
forest carbon
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
13
0.867
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :18
energy access
integrated planning
GIS
energy systems
development
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
13
1.000
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :19
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
12
0.857
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :20
Climate change
climate data
energy data
systems change
Climate Watch
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
12
1.000
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :21
Transportation Planning
Traffic Modeling
Emission from Transport
Road Safety
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
10
0.909
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :22
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
10
1.000
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :23
Energy Policy
Production-Consumption Systems
Political Economy
Ecological Economics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
9
0.643
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :24
Agricultural Methane
Sustainable Food Systems
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
9
0.750
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :25
GESI
community forestry
forest policy
climate change
REDD+
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
9
1.000
Nancy Harris
World Resources Institute (WRI)
Washington, D.C., United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
52
44
0.846
forest ecology
biogeochemistry
carbon cycle
land use
Janet Ranganathan
World Resources Institute (WRI)
Washington, D.C., United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
48
40
0.833
environment
sustainability
Lori Bird
World Resources Institute (WRI)
Washington, D.C., United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
69
37
0.536
Fred Stolle
World Resources Institute (WRI)
Washington, D.C., United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
42
35
0.833
Nitya Sharma
World Resources Institute (WRI)
Washington, D.C., United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
35
35
1.000
Food Processing and Engineering
Madhu Verma
World Resources Institute (WRI)
Washington, D.C., United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
41
29
0.707
Ecological Economics
Environmental Valuation
Green Accounting
Payment for Ecosystem Services
Taryn Fransen
World Resources Institute (WRI)
Washington, D.C., United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
24
0.750
Arief Wijaya
World Resources Institute (WRI)
Washington, D.C., United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
34
23
0.676
Environmental landscapes
climate change mitigation
remote sensing
Sarah Carter
World Resources Institute (WRI)
Washington, D.C., United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
22
0.846
Forest Monitoring
Carbon Storage
REDD+
International Development
Kathleen Buckingham
World Resources Institute (WRI)
Washington, D.C., United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
20
0.870
Forestry
Conservation
Landscape Restoration
Sustainable Development
Helen (Hongyu) Ding
World Resources Institute (WRI)
Washington, D.C., United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
19
0.731
Biodiversity and Ecosystem Valuation
Socio-economic impact of LULUC and Climate Change
Prathna Tc
World Resources Institute (WRI)
Washington, D.C., United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
19
0.905
Nanomaterials
Water treatment
Urban Water Management
Wetlands
Mikaela J. Weisse
World Resources Institute (WRI)
Washington, D.C., United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
19
1.000
Lindsey Sloat
World Resources Institute (WRI)
Washington, D.C., United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
16
0.941
agriculture
climate
land use
livestock
ecology
Rene Zamora-Cristales
World Resources Institute (WRI)
Washington, D.C., United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
14
0.737
Forest Economics
Policy
Optimization
Landscape Restoration
Spatial Economics
Norbert Henninger
World Resources Institute (WRI)
Washington, D.C., United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
13
0.591
David A. Gibbs
World Resources Institute (WRI)
Washington, D.C., United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
13
0.867
Forest monitoring
GIS
ecology
forest carbon
Dimitris Mentis
World Resources Institute (WRI)
Washington, D.C., United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
13
1.000
energy access
integrated planning
GIS
energy systems
development
Brian Lipinski
World Resources Institute (WRI)
Washington, D.C., United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
12
0.857
Johannes Friedrich
World Resources Institute (WRI)
Washington, D.C., United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
12
1.000
Climate change
climate data
energy data
systems change
Climate Watch
Ajinkya Sadashiv Mane
World Resources Institute (WRI)
Washington, D.C., United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
10
0.909
Transportation Planning
Traffic Modeling
Emission from Transport
Road Safety
Crystal Romeo Upperman
World Resources Institute (WRI)
Washington, D.C., United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
10
1.000
Manu V. Mathai|Manu Mathai, Manu Verghese Mathai
World Resources Institute (WRI)
Washington, D.C., United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
9
0.643
Energy Policy
Production-Consumption Systems
Political Economy
Ecological Economics
Swati Hegde
World Resources Institute (WRI)
Washington, D.C., United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
9
0.750
Agricultural Methane
Sustainable Food Systems
Cynthia Maharani
World Resources Institute (WRI)
Washington, D.C., United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
9
1.000