| Prof | Harvey | Shear | University of Toronto Mississauga | Canada | Environmental Science | Freshwater Ecology | Best Researcher Award | environmentalscientists.org |
| Mr | Hari Mohan | Meena | university of delhi | India | Chemistry and Materials Science | Chemistry | Best Researcher Award | environmentalscientists.org |
| Dr | Hareesha | Nagarajappa | JAIN (Deemed-to-be-University) | India | Chemistry and Materials Science | Electrochemical Sensors | Young Scientist Award | environmentalscientists.org |
| Mr | Hardik | Kumar | ISF College of Pharmacy | India | Health Professions | Pharmacy Practice | Best Researcher Award | environmentalscientists.org |
| Mr | Haoyuan | Zheng | School of Soil and Water Conservation, Beijing Forestry University | China | Environmental Science | School of Soil and Water Conservation, Beijing Forestry University | Best Researcher Award | environmentalscientists.org |
| Mr | Hao | Cui | Chongqing Jiaotong University | Taiwan | Ecology and Conservation | Ecological Remote Sensing | Best Researcher Award | environmentalscientists.org |
| Mr | Hans Jørgen | Henriksen | Geological Survey of Denmark and Greenland GEUS | Denmark | Environmental Science | Water resources | Best Researcher Award | environmentalscientists.org |
| Mrs | Hanane | ABBOU | Mohammed VI university of Sciences and Health | Morocco | Biology and Life Sciences | Molecular Modeling | Research Excellence Award | environmentalscientists.org |
| Mr | Hamoun | Khatami | Padova University | Italy | Engineering | machining process | Best Researcher Award | environmentalscientists.org |
| Dr | Hamidreza | Soufi | Vali-e-Asr University of Rafsanjan | Iran | Agricultural and Biological Sciences | Hydroponic, Plant factory, control environment agriculture | Best Faculty Award | environmentalscientists.org |
| Assoc. Prof. Dr | Hakan | Gürsu | METU | Turkey | Environmental and Sustainable Materials | Parasabol | Best Researcher Award | environmentalscientists.org |
| Dr | Hakan | BÜLBÜL | Ondokuz Mayıs University | Turkey | Renewable Energy Technologies | Renewable Energy | Best Researcher Award | environmentalscientists.org |
| Dr | Hajer | Ben Ammar | Agricultural institute of Slovenia | Slovenia | Biochemistry, Genetics and Molecular Biology | Biochemical and molecular regulation of specialized metabolites in crop plants | Women Researcher Award | environmentalscientists.org |
| Mr | Haichang | Jiang | jingdezhen university | China | Computer Science | AI | Best Researcher Award | environmentalscientists.org |
| Mrs | hafsa | bouhrim | higher National school of mines Rabat | Morocco | Renewable Energy Technologies | wave energy | Best Researcher Award | environmentalscientists.org |
| Prof | Hafeza | Aftab | Dhaka Medical College | Bangladesh | Medicine and Health Sciences | Gastroenterology | Women Researcher Award | environmentalscientists.org |
| Mr | Hadi | Ebrahimi Fakhari | Florida International University | United States | Biotechnology | Biomimetics | Best Researcher Award | environmentalscientists.org |
| Assoc. Prof. Dr | hacene | mellah | bouira university | Algeria | Engineering | electrical engineering | Best Researcher Award | environmentalscientists.org |
| Dr | Habte Tadesse | Likassa | Arizona State University, USA | United States | Neuroscience | Statistics | Best Researcher Award | environmentalscientists.org |
| Dr | Habib | Ullah | Southeast University | China | Renewable Energy Technologies | Architecture | Young Scientist Award | environmentalscientists.org |