| 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 |
| Dr | Vindya | Hewawasam | University of Tsukuba, Japan | Japan | Environmental Science | Disaster Management Policies | Best Researcher Award | environmentalscientists.org |
| Dr | Carlos | Hiranobe | Universidade Estadual Paulista UNESP | Brazil | Chemistry and Materials Science | A Review of EPDM | Best Researcher Award | environmentalscientists.org |
| Prof. Dr | Jyh-Jier | Ho | National Taiwan Ocean University | Taiwan | Environmental and Sustainable Materials | Green Energy Devices | Best Researcher Award | environmentalscientists.org |
| Mr | TINH | HO HUU | The Institute of Public Health | Vietnam | Health Professions | Public Health | Best Researcher Award | environmentalscientists.org |
| Prof. Dr | Josef | Hofmann | Hochschule Landshut | Germany | Environmental Science | Biogas, Stoffstrommanagement | Innovative Research Award | environmentalscientists.org |
| Assist Prof Dr | Hong | Hong | National Changhua University of Education, Changhua | Taiwan | Health Professions | health | Best Researcher Award | environmentalscientists.org |
| Dr | Md Muzammel | Hossain | Biofuels Institute, Jiangsu University | China | Environmental Science | Environmental Toxicology | Best Researcher Award | environmentalscientists.org |
| Dr | Nasim | Hossein Hamzeh | ASMERC | Iran | Environmental and Sustainable Materials | Dust storms over the Middle East | Women Researcher Award | environmentalscientists.org |
| Mr | Md. Saikat | Hossen | University of Barishal | Bangladesh | Environmental Science | Soil and Environmental Sciences | Best Researcher Award | environmentalscientists.org |
| Dr | Olesia | Hriekova | University of Rome Tor Vergata | Italy | Environmental Science | Transportation | Best Researcher Award | environmentalscientists.org |
| Prof | Shu-Ling | Hsieh | National Kaohsiung University of Science and Technology | Taiwan | Agricultural and Biological Sciences | Food Science | Best Researcher Award | environmentalscientists.org |