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California Institute of Technology Caltech 15 Scientists Engineering & Technology / Environmental Science & Engineering i10 Productivity Rankings - 2026
Discover the only real-time global i10 Index ranking that measures the productivity of 2.6 million scientists worldwide. By analyzing both total and last 5 years’ i10 values, this ranking highlights consistency and sustained academic contribution. Compare performance at global, continental, national, and institutional levels across 13 main fields and 221 disciplines.
* Total i10 Index Rankings
Rankings
6,056
World Rank
1,930
Country Rank
12
University
Ranking Based On Selection:
1
Engineering & Technology / Environmental Science & Engineering
environmental chemistry | atmospheric chemistry | environmental engineerin
environmental chemistry | atmospheric chemistry | environmental engineerin
i-10 Metrics
-
Total443
-
Last 5 Years310
-
Last 5 Years / Total0.700
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* Total i10 Index Rankings
Rankings
254,817
World Rank
69,247
Country Rank
175
University
Ranking Based On Selection:
2
* Total i10 Index Rankings
Rankings
375,074
World Rank
98,355
Country Rank
233
University
Ranking Based On Selection:
3
Engineering & Technology / Environmental Science & Engineering
Air Quality | Aerosol Science | Remote Sensing | Exposure Assessmen
Air Quality | Aerosol Science | Remote Sensing | Exposure Assessmen
i-10 Metrics
-
Total42
-
Last 5 Years41
-
Last 5 Years / Total0.976
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* Total i10 Index Rankings
Rankings
492,482
World Rank
127,048
Country Rank
281
University
Ranking Based On Selection:
4
Engineering & Technology / Environmental Science & Engineering
Air Pollution | Climate Change | Greenhouse Gas Mitigatio
Air Pollution | Climate Change | Greenhouse Gas Mitigatio
i-10 Metrics
-
Total32
-
Last 5 Years17
-
Last 5 Years / Total0.531
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* Total i10 Index Rankings
Rankings
523,642
World Rank
134,739
Country Rank
293
University
Ranking Based On Selection:
5
Engineering & Technology / Environmental Science & Engineering
Water cycle dynamics | land-atmosphere interactions | remote sensing | droughts | carbon cycl
Water cycle dynamics | land-atmosphere interactions | remote sensing | droughts | carbon cycl
i-10 Metrics
-
Total29
-
Last 5 Years29
-
Last 5 Years / Total1.000
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* Total i10 Index Rankings
Rankings
746,005
World Rank
189,429
Country Rank
413
University
Ranking Based On Selection:
6
Engineering & Technology / Environmental Science & Engineering
Climate | Extreme Weather | Geophysical Fluid Dynamics | Convection and Turbulence Parameterizatio
Climate | Extreme Weather | Geophysical Fluid Dynamics | Convection and Turbulence Parameterizatio
i-10 Metrics
-
Total18
-
Last 5 Years16
-
Last 5 Years / Total0.889
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* Total i10 Index Rankings
Rankings
898,410
World Rank
223,850
Country Rank
523
University
Ranking Based On Selection:
7
* Total i10 Index Rankings
Rankings
1,034,681
World Rank
252,452
Country Rank
626
University
Ranking Based On Selection:
8
Engineering & Technology / Environmental Science & Engineering
Hydroclimatic Risk | Uncertainty | Systems Thinking | Resilienc
Hydroclimatic Risk | Uncertainty | Systems Thinking | Resilienc
i-10 Metrics
-
Total10
-
Last 5 Years10
-
Last 5 Years / Total1.000
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* Total i10 Index Rankings
Rankings
1,041,079
World Rank
253,596
Country Rank
637
University
Ranking Based On Selection:
9
Engineering & Technology / Environmental Science & Engineering
Analytical chemistry | microbiology | proteomic
Analytical chemistry | microbiology | proteomic
i-10 Metrics
-
Total10
-
Last 5 Years10
-
Last 5 Years / Total1.000
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* Total i10 Index Rankings
Rankings
1,099,044
World Rank
264,837
Country Rank
686
University
Ranking Based On Selection:
10
Engineering & Technology / Environmental Science & Engineering
environmental engineering | microbiology | microbial physiology | rhizosphere ecology | biogeochemistr
environmental engineering | microbiology | microbial physiology | rhizosphere ecology | biogeochemistr
i-10 Metrics
-
Total9
-
Last 5 Years9
-
Last 5 Years / Total1.000
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* Total i10 Index Rankings
Rankings
1,154,004
World Rank
274,623
Country Rank
724
University
Ranking Based On Selection:
11
Engineering & Technology / Environmental Science & Engineering
aerosol-cloud interactions | cloud feedbacks | climate dynamic
aerosol-cloud interactions | cloud feedbacks | climate dynamic
i-10 Metrics
-
Total8
-
Last 5 Years8
-
Last 5 Years / Total1.000
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* Total i10 Index Rankings
Rankings
1,412,889
World Rank
318,093
Country Rank
884
University
Ranking Based On Selection:
12
* Total i10 Index Rankings
Rankings
1,512,488
World Rank
333,717
Country Rank
946
University
Ranking Based On Selection:
13
Engineering & Technology / Environmental Science & Engineering
Geophysical fluid dynamics | physical oceanography | atmospheric science | dynamic meteorology | climat
Geophysical fluid dynamics | physical oceanography | atmospheric science | dynamic meteorology | climat
i-10 Metrics
-
Total5
-
Last 5 Years2
-
Last 5 Years / Total0.400
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* Total i10 Index Rankings
Rankings
1,763,434
World Rank
369,873
Country Rank
1,080
University
Ranking Based On Selection:
14
* Total i10 Index Rankings
Rankings
1,883,147
World Rank
383,272
Country Rank
1,122
University
Ranking Based On Selection:
15
Engineering & Technology / Environmental Science & Engineering
Global Methane | Biogeochemistry | Remote Sensin
Global Methane | Biogeochemistry | Remote Sensin
i-10 Metrics
-
Total2
-
Last 5 Years2
-
Last 5 Years / Total1.000
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