| Dr | Pintu | Das | Sarala Birla University, Ranchi | India | Mathematics | Groundwater Hydrodynamics, Mathematical Modeling | Best Researcher Award | environmentalscientists.org |
| Mrs | Debadrita | Das | Jadavpur University | India | Agricultural Science and Innovation | Water soil plant biology and molecular Biology | Women Researcher Award | environmentalscientists.org |
| Ms | Chalya | Dashe | C D HOGAR NIGERIA LIMITED | Nigeria | Environmental Science | Green House Concepts and Climate Change | Women Researcher Award | environmentalscientists.org |
| Mr | Kostas | Dasopoulos | Q-PLAN INTERNATIONAL ADVISORS PC | Greece | Environmental Science | Environmental Engineering | Business Innovator Extraordinaire Award | environmentalscientists.org |
| Mr | Michael | Daud | Sokoine University of Agriculture | Tanzania | Agricultural and Biological Sciences | Seed Technology and Business | Excellence in Research | environmentalscientists.org |
| Prof | Jean-Claude | DAUVIN | Caen University | France | Oceanography and Marine Biology | modelling | Best Researcher Award | environmentalscientists.org |
| Dr | Marie | Davidova | IntCDC University of Stuttgart | Germany | Arts and Humanities | design | Best Researcher Award | environmentalscientists.org |
| Dr | Victor | DAVY MOUSSANGO | University of Douala | Cameroon | Agricultural and Biological Sciences | Phytopathology and Natural substances | Best Research Article Award | environmentalscientists.org |
| Assist. Prof. Dr | Antonio Alves | de | Universidade Cruzeiro do Sul | Brazil | Biochemistry, Genetics and Molecular Biology | Fisiologia humana e Biologia Molecular | Research Excellence Award | environmentalscientists.org |
| Mr | Adrien | de Fraipont | Sciensano | Belgium | Veterinary Science and Veterinary Medicine | Antimicrobial resistance | Research Excellence Award | environmentalscientists.org |
| Prof | Hermes | De Gracia | Ministerio De Ambiente | Panama | Environmental Science | Hidrologia | Best Researcher Award | environmentalscientists.org |
| Dr | TOMMASO MARTINO | DE PAS | humanitas gavazzeni | Italy | Medicine and Health Sciences | oncologiA | Excellence in Research Award | environmentalscientists.org |
| Dr | Luciano | De Pau | Agris Sardegna | Italy | Agricultural and Biological Sciences | Biodiversity | Best Researcher Award | environmentalscientists.org |
| Prof | NIRMALA | DEENADAYALU | DURBAN UNIVERSITY OF TECHNOLOGY | South Africa | Environmental and Sustainable Materials | BIOCOMPOSITES | Best Researcher Award | environmentalscientists.org |
| Dr | Fabiana | Dellai | Infectious Disease Departement, Azienda Sanitaria Friuli Centrale (ASUFC) | Italy | Medicine and Health Sciences | Antimicrobial stewardship | Young Scientist Award | environmentalscientists.org |
| Prof | Mustafa Muammer | Demir | Izmir Institute of Technology | Turkey | Environmental Science | metal recovery | Best Researcher Award | environmentalscientists.org |
| Assist. Prof. Dr | vasfiye | demir pervane | faculty of medicine dicle univercity | Turkey | Medicine and Health Sciences | Rabies | Best Researcher Award | environmentalscientists.org |
| Mr | Wondimeneh | Demissew | Addis Ababa University | Ethiopia | Environmental and Sustainable Materials | Environmental science, climate and atmosphere | Best Researcher Award | environmentalscientists.org |
| Dr | Wolfram | Demmer | LM U Klinikum München | Germany | Medicine and Health Sciences | Plastic Surgery | Outstanding Scientist Award | environmentalscientists.org |
| Mr | Julian | Dendy | USDA FS | United States | Environmental Science | Wildfire | Best Researcher Award | environmentalscientists.org |