| Prof. Dr | Jyh-Jier | Ho | National Taiwan Ocean University | Taiwan | Environmental and Sustainable Materials | Green Energy Devices | Best Researcher Award | environmentalscientists.org |
| Mr | Juvens | SUGIRA MUREKEZI | Chinese Academy of Sciences | Rwanda | Engineering | Environmental Engineering/wastewater treatment | Best Researcher Award | environmentalscientists.org |
| Prof. Dr | Juristo | Fonollá Joya | Universidad de Granada | Spain | Others | Nutrición | Research Excellence Distinction Award | environmentalscientists.org |
| Assoc. Prof. Dr | Junguo | Shi | Jiangsu University | China | Economics, Econometrics and Finance | Economics of Innovation (Neo-Schumpeterian tradition); Technological Advance and Dynamics of Industries; Catching-up of latecomers; Emerging Economy like China; Agent-based simulation; Patent analysis | Best Researcher Award | environmentalscientists.org |
| Assoc. Prof. Dr | Junghun | Yeum | Gangneung-Wonju National University | South Korea | Ecology and Conservation | Urban green space | Best Researcher Award | environmentalscientists.org |
| Dr | Jung Eun | Park | Institute for Advanced Engineering/Bio Resource Recirculation Center | South Korea | Environmental Science | Organic waste resource, recycling, activated carbon, upgrading, biomass | Best Researcher Award | environmentalscientists.org |
| Prof | Jumanne | Abdallah | Sokoine University of Agriculture | Tanzania | Environmental and Sustainable Materials | Forest economics and conservation | Outstanding Academic Achievement Award | environmentalscientists.org |
| Dr | Julián | Puszkiel | Helmholtz-Zentrum Hereon and Helmut-Schmidt-University | Germany | Renewable Energy Technologies | Engineering, Energy, Hydrogen, Storage, System, Design, Renewable | Excellence in Research | environmentalscientists.org |
| Mrs | Julia | Grosinger | ICTA Universitat Autonoma de Barcelona | Spain | Environmental Science | human geography | Research Excellence Award | environmentalscientists.org |
| Dr | Juan | Zhang | Tsinghua | China | Bioelectronics and Biomaterials | Additive manufacturing | Young Scientist Award | environmentalscientists.org |
| Prof | JOYCE | DÓRIA | Federal University of Lavras | Brazil | Agricultural and Biological Sciences | Plant propagation | Research Excellence Award | environmentalscientists.org |
| Dr | Josephine | wuri | Sanata Dharma University Yogyakarta Indonesia | Indonesia | Environmental Science | Energy Economics | Best Researcher Award | environmentalscientists.org |
| Ms | Josephine Boadi | Mensah | Durham University | Canada | Environmental and Sustainable Materials | Waste Management | Best Research Article Award | environmentalscientists.org |
| Mr | Joseph | Train | University of Guelph | Canada | Engineering | Water Resources | Best Researcher Award | environmentalscientists.org |
| Dr | Joseph Omeiza | Alao | Air Force Institute of Technology | Nigeria | Earth and Planetary Sciences | Environmental Geophysics | Best Researcher Award | environmentalscientists.org |
| Prof. Dr | Josef | Hofmann | Hochschule Landshut | Germany | Environmental Science | Biogas, Stoffstrommanagement | Innovative Research Award | environmentalscientists.org |
| Prof | Jose E. | Naranjo | Universidad Técnica de Cotopaxi | Ecuador | Engineering | Sensors, Productivity, Industry 4.0 | Best Researcher Award | environmentalscientists.org |
| Prof. Dr | José Carlos | Tatmatsu-Rocha | Federal University of Ceará | Brazil | Medicine and Health Sciences | Endocrinolgy | Best Researcher Award | environmentalscientists.org |
| Dr | Jose Antonio | Zafra-Agea | A Department of Nursing, Faculty of Health Sciences at Manresa, University of Vic–Central University of Catalonia (UVic-UCC) | Spain | Health Professions | health promotion, prevention, primary care | Best Researcher Award | environmentalscientists.org |
| Prof. Dr | Jos | Lelieveld | Max Planck Institute for Chemistry | Germany | Environmental Science | Air quality, Climate, Health | Distinguished Scientist Award | environmentalscientists.org |