| Dr | Yu-Jin | Han | Korea Institute of Energy Research | South Korea | Environmental and Sustainable Materials | Energy materials | Best Researcher Award | environmentalscientists.org |
| Dr | Panupong | Hansrivijit | Brigham and Women's Hospital | United States | Environmental Science | Nephrology, Pharmacoepidemiology | Best Researcher Award | environmentalscientists.org |
| Mr | Muhammad Usama | Haroon | Middle East Technical University Northern Cyprus Campus | Pakistan | Environmental Science | Air Quality | Best Researcher Award | environmentalscientists.org |
| Mr | Md Mahamudul | Hasan | Indiana University At Bloomington | United States | Chemistry and Materials Science | Polymer, Hydrogels, Supramolecular Chemistry | Best Researcher Award | environmentalscientists.org |
| Assist. Prof. Dr | Md Mahmudul | Hasan | Arkansas State University | United States | Engineering | Electrical Engineering | Best Researcher Award | environmentalscientists.org |
| Dr | Alireza | Hasanfard | Ferdowsi University of Mashhad | Iran | Agricultural and Biological Sciences | Weed Science | Best Researcher Award | environmentalscientists.org |
| Dr | Mahmood Ul | Hassan | University of Palermo | Italy | Agricultural and Biological Sciences | Animal Nutrition and Feeding | Young Scientist Award | environmentalscientists.org |
| Dr | Muneer | Hassan | University of Johannesburg | South Africa | Economics, Econometrics and Finance | Accountancy | Best Researcher Award | environmentalscientists.org |
| Mr | Mohamed | Hassona | Qur'anic Botanic Garden | Qatar | Agricultural and Biological Sciences | Crop Science | Excellence in Scientific Innovation Award | environmentalscientists.org |
| Dr | Hossein | Hatami | Lorestan university | Iran | Engineering | Mechanical engineering, impact, fatigue, nano | Best Researcher Award | environmentalscientists.org |
| Assoc. Prof. Dr | Seyyed Morteza | Hatefi | Shahrekord University | Iran | Engineering | Sustainability Studies | Best Researcher Award | environmentalscientists.org |
| Dr | Hiroshi | Hayasaka | Hokkaido University | Japan | Earth and Planetary Sciences | Wildland Fires | Best Researcher Award | environmentalscientists.org |
| Dr | Daisuke | Hayashi | Koden Electronics Co., Ltd. | Japan | Engineering | Sensor Technology | Best Researcher Award | environmentalscientists.org |
| Prof. Dr | Susanne | Heise | Hamburg University of Applied Sciences | Germany | Environmental Science | Ökotoxikologie | Best Researcher Award | environmentalscientists.org |
| Ms | Robyn | Henderson | NSW Department of Primary Industries and Regional Development | Australia | Agricultural and Biological Sciences | Invertebrates | 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 |
| Dr | Mario | Heredia | Aveiro University | Ecuador | Environmental Science | Thermochemical conversion | Best Researcher Award | environmentalscientists.org |
| Dr | Luis | Hernández Álvarez | Consejo Superior de Investigaciones Científicas | Spain | Cybersecurity and Cryptography | Ciberseguridad y Criptografía | Best Research Article Award | environmentalscientists.org |
| Dr | Luis | Hernandez Encinas | Spanish National Research Council | Spain | Cybersecurity and Cryptography | Asymmetric Cryptography and Post-Quantum Cryptography | Best Researcher Award | environmentalscientists.org |
| Dr | Gustavo Alejandro | Hernandez-Fuentes | University of Colima | Mexico | Biochemistry, Genetics and Molecular Biology | Cáncer | Excellence Award (Any Scientific field) | environmentalscientists.org |