Track the real-time academic impact of 2.6 million scientists across 221 countries. The H-Index Rankings evaluate both total and last 5 years’ H-index values, offering the most transparent measure of scholarly recognition. Compare global, continental, national, and institutional performance across 13 major fields and 221 disciplines.
* Total H Index Rankings
Rankings
Ranking Based On Selection:
1
Engineering & Technology / Environmental Science & Engineering
Phytotoxicity and Phytoremidiation of heavy metals and industrial effluents | stress physiology | Environmental Science | biocha
Phytotoxicity and Phytoremidiation of heavy metals and industrial effluents | stress physiology | Environmental Science | biocha
H-Index Metrics
-
Total127
-
Last 5 Years115
-
Last 5 Years / Total0.906
* Total H Index Rankings
Rankings
Ranking Based On Selection:
2
Engineering & Technology / Environmental Science & Engineering
Waste biorefinery | Waste-to-energy | Biofuels | Circular economy | Bioeconom
Waste biorefinery | Waste-to-energy | Biofuels | Circular economy | Bioeconom
H-Index Metrics
-
Total77
-
Last 5 Years67
-
Last 5 Years / Total0.870
* Total H Index Rankings
Rankings
Ranking Based On Selection:
3
Engineering & Technology / Environmental Science & Engineering
Environmental Health | Contaminants and Exposure | ecotoxicolog
Environmental Health | Contaminants and Exposure | ecotoxicolog
H-Index Metrics
-
Total72
-
Last 5 Years53
-
Last 5 Years / Total0.736
* Total H Index Rankings
Rankings
Ranking Based On Selection:
4
* Total H Index Rankings
Rankings
Ranking Based On Selection:
5
Engineering & Technology / Environmental Science & Engineering
Energy System | Hydrogen Economy | Life Cycle Assessment | Science of Science | Techno-Economic Analysi
Energy System | Hydrogen Economy | Life Cycle Assessment | Science of Science | Techno-Economic Analysi
H-Index Metrics
-
Total63
-
Last 5 Years53
-
Last 5 Years / Total0.841
* Total H Index Rankings
Rankings
Ranking Based On Selection:
6
Engineering & Technology / Environmental Science & Engineering
environmental Science | Biochemistry | Adsorption | Ultrafiltratio
environmental Science | Biochemistry | Adsorption | Ultrafiltratio
H-Index Metrics
-
Total46
-
Last 5 Years45
-
Last 5 Years / Total0.978
* Total H Index Rankings
Rankings
Ranking Based On Selection:
7
Engineering & Technology / Environmental Science & Engineering
Water Resources | Soil Resouces | Contaminants | Climate Chang
Water Resources | Soil Resouces | Contaminants | Climate Chang
H-Index Metrics
-
Total46
-
Last 5 Years43
-
Last 5 Years / Total0.935
* Total H Index Rankings
Rankings
Ranking Based On Selection:
8
Engineering & Technology / Environmental Science & Engineering
Composite Adsorbents | Water Treatment | Environmental Sustainability | WASH | Climate Chang
Composite Adsorbents | Water Treatment | Environmental Sustainability | WASH | Climate Chang
H-Index Metrics
-
Total43
-
Last 5 Years33
-
Last 5 Years / Total0.767
* Total H Index Rankings
Rankings
Ranking Based On Selection:
9
Engineering & Technology / Environmental Science & Engineering
Biogeochemistry | Nutrient cycling | Biochar | SO
Biogeochemistry | Nutrient cycling | Biochar | SO
H-Index Metrics
-
Total41
-
Last 5 Years39
-
Last 5 Years / Total0.951
* Total H Index Rankings
Rankings
Ranking Based On Selection:
10
Engineering & Technology / Environmental Science & Engineering
Ecotoxicology | Environmental Health | Biogeochemistry | Wastewater Treatment | Plant Biochemistr
Ecotoxicology | Environmental Health | Biogeochemistry | Wastewater Treatment | Plant Biochemistr
H-Index Metrics
-
Total41
-
Last 5 Years39
-
Last 5 Years / Total0.951
* Total H Index Rankings
Rankings
Ranking Based On Selection:
11
* Total H Index Rankings
Rankings
Ranking Based On Selection:
12
Engineering & Technology / Environmental Science & Engineering
Environmental Microbiology & Biotechnology | Life Sciences | Wastewater Treatment | Bionanotechnolog
Environmental Microbiology & Biotechnology | Life Sciences | Wastewater Treatment | Bionanotechnolog
H-Index Metrics
-
Total40
-
Last 5 Years37
-
Last 5 Years / Total0.925
* Total H Index Rankings
Rankings
Ranking Based On Selection:
13
* Total H Index Rankings
Rankings
Ranking Based On Selection:
14
Engineering & Technology / Environmental Science & Engineering
Pharmacology | Anti-cancer | Endocrine diseases | Inflammatory diseases | Drug Developmen
Pharmacology | Anti-cancer | Endocrine diseases | Inflammatory diseases | Drug Developmen
H-Index Metrics
-
Total37
-
Last 5 Years35
-
Last 5 Years / Total0.946
* Total H Index Rankings
Rankings
Ranking Based On Selection:
15
Engineering & Technology / Environmental Science & Engineering
water quality | arsenic and fluoride in groundwater | geochemistr
water quality | arsenic and fluoride in groundwater | geochemistr
H-Index Metrics
-
Total35
-
Last 5 Years33
-
Last 5 Years / Total0.943
* Total H Index Rankings
Rankings
Ranking Based On Selection:
16
Engineering & Technology / Environmental Science & Engineering
Conventional/Emerging pollutants | Environmental matrices | Climate change | Environmental-management and polic
Conventional/Emerging pollutants | Environmental matrices | Climate change | Environmental-management and polic
H-Index Metrics
-
Total32
-
Last 5 Years31
-
Last 5 Years / Total0.969
* Total H Index Rankings
Rankings
Ranking Based On Selection:
17
Engineering & Technology / Environmental Science & Engineering
Environmental Analysis of Air | Water and Soi
Environmental Analysis of Air | Water and Soi
H-Index Metrics
-
Total31
-
Last 5 Years24
-
Last 5 Years / Total0.774
* Total H Index Rankings
Rankings
Ranking Based On Selection:
18
Engineering & Technology / Environmental Science & Engineering
Electrocoagulation | ceramic membranes | Advanced oxidation | climate change adaptio
Electrocoagulation | ceramic membranes | Advanced oxidation | climate change adaptio
H-Index Metrics
-
Total30
-
Last 5 Years30
-
Last 5 Years / Total1.000
* Total H Index Rankings
Rankings
Ranking Based On Selection:
19
Engineering & Technology / Environmental Science & Engineering
Electrocatalysis | Water Splitting | OER | Iridium Dioxide | Environmental Nanotechnolog
Electrocatalysis | Water Splitting | OER | Iridium Dioxide | Environmental Nanotechnolog
H-Index Metrics
-
Total29
-
Last 5 Years29
-
Last 5 Years / Total1.000
* Total H Index Rankings
Rankings
Ranking Based On Selection:
20
Engineering & Technology / Environmental Science & Engineering
Soil Biogeochemistry | Soil Organic Matter | Biochar | Soil qualit
Soil Biogeochemistry | Soil Organic Matter | Biochar | Soil qualit
H-Index Metrics
-
Total29
-
Last 5 Years28
-
Last 5 Years / Total0.966
* Total H Index Rankings
Rankings
Ranking Based On Selection:
21
Engineering & Technology / Environmental Science & Engineering
Plant Biotechnology | Bioprocess Technology | Nanobiotechnology | Controlled Environment Horticultur
Plant Biotechnology | Bioprocess Technology | Nanobiotechnology | Controlled Environment Horticultur
H-Index Metrics
-
Total29
-
Last 5 Years28
-
Last 5 Years / Total0.966
* Total H Index Rankings
Rankings
Ranking Based On Selection:
22
Engineering & Technology / Environmental Science & Engineering
Degraded soils | water | air quality and GIS mappin
Degraded soils | water | air quality and GIS mappin
H-Index Metrics
-
Total29
-
Last 5 Years26
-
Last 5 Years / Total0.897
* Total H Index Rankings
Rankings
Ranking Based On Selection:
23
Engineering & Technology / Environmental Science & Engineering
Water and waste water treatment | Pretreatment of MSW | Biological Treatment | Waste Agricultural Biomass | Anaerobic co-digestion
Water and waste water treatment | Pretreatment of MSW | Biological Treatment | Waste Agricultural Biomass | Anaerobic co-digestion
H-Index Metrics
-
Total29
-
Last 5 Years25
-
Last 5 Years / Total0.862
* Total H Index Rankings
Rankings
Ranking Based On Selection:
24
Engineering & Technology / Environmental Science & Engineering
Environmental Sciences | Microbiology | Drinking Water | Pesticide
Environmental Sciences | Microbiology | Drinking Water | Pesticide
H-Index Metrics
-
Total29
-
Last 5 Years24
-
Last 5 Years / Total0.828
* Total H Index Rankings
Rankings
Ranking Based On Selection:
25
Engineering & Technology / Environmental Science & Engineering
Oral pathology | Periodontology | Oral medicin
Oral pathology | Periodontology | Oral medicin
H-Index Metrics
-
Total29
-
Last 5 Years22
-
Last 5 Years / Total0.759
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